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Revision 18450, 116.1 KB checked in by zacheiss, 22 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r18449, which included commits to RCS files with non-trunk default branches.

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1	/* perl.h
2	*
3	* Copyright (c) 1987-2002, Larry Wall
4	*
5	* You may distribute under the terms of either the GNU General Public
6	* License or the Artistic License, as specified in the README file.
7	*
8	*/
9
10	#ifndef H_PERL
11	#define H_PERL 1
12
13	#ifdef PERL_FOR_X2P
14	/*
15	* This file is being used for x2p stuff.
16	* Above symbol is defined via -D in 'x2p/Makefile.SH'
17	* Decouple x2p stuff from some of perls more extreme eccentricities.
18	*/
19	#undef MULTIPLICITY
20	#undef USE_STDIO
21	#define USE_STDIO
22	#endif /* PERL_FOR_X2P */
23
24	#if defined(DGUX)
25	#include <sys/fcntl.h>
26	#endif
27
28	#ifdef VOIDUSED
29	# undef VOIDUSED
30	#endif
31	#define VOIDUSED 1
32
33	#ifdef PERL_MICRO
34	# include "uconfig.h"
35	#else
36	# include "config.h"
37	#endif
38
39	#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
40	# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
41	#endif
42
43	/* XXX This next guard can disappear if the sources are revised
44	to use USE_5005THREADS throughout. -- A.D 1/6/2000
45	*/
46	#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
47	# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
48	#endif
49
50	/* See L<perlguts/"The Perl API"> for detailed notes on
51	* PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
52
53	/* Note that from here --> to <-- the same logic is
54	* repeated in makedef.pl, so be certain to update
55	* both places when editing. */
56
57	#ifdef PERL_IMPLICIT_SYS
58	/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
59	so use slab allocator to avoid lots of MUTEX overhead
60	*/
61	# ifndef PL_OP_SLAB_ALLOC
62	# define PL_OP_SLAB_ALLOC
63	# endif
64	#endif
65
66	#ifdef USE_ITHREADS
67	# if !defined(MULTIPLICITY)
68	# define MULTIPLICITY
69	# endif
70	#endif
71
72	#ifdef USE_5005THREADS
73	# ifndef PERL_IMPLICIT_CONTEXT
74	# define PERL_IMPLICIT_CONTEXT
75	# endif
76	#endif
77
78	#if defined(MULTIPLICITY)
79	# ifndef PERL_IMPLICIT_CONTEXT
80	# define PERL_IMPLICIT_CONTEXT
81	# endif
82	#endif
83
84	/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85	#ifdef __CYGWIN__
86	# undef WIN32
87	# undef _WIN32
88	#endif
89
90	/* Use the reentrant APIs like localtime_r and getpwent_r */
91	/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
92	#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__)
93	# define USE_REENTRANT_API
94	#endif
95
96	/* <--- here ends the logic shared by perl.h and makedef.pl */
97
98	#ifdef PERL_IMPLICIT_CONTEXT
99	# ifdef USE_5005THREADS
100	struct perl_thread;
101	# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
102	# define aTHX thr
103	# define dTHR dNOOP /* only backward compatibility */
104	# define dTHXa(a) pTHX = (struct perl_thread*)a
105	# else
106	# ifndef MULTIPLICITY
107	# define MULTIPLICITY
108	# endif
109	# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
110	# define aTHX my_perl
111	# define dTHXa(a) pTHX = (PerlInterpreter*)a
112	# endif
113	# define dTHX pTHX = PERL_GET_THX
114	# define pTHX_ pTHX,
115	# define aTHX_ aTHX,
116	# define pTHX_1 2
117	# define pTHX_2 3
118	# define pTHX_3 4
119	# define pTHX_4 5
120	#endif
121
122	#define STATIC static
123	#define CPERLscope(x) x
124	#define CPERLarg void
125	#define CPERLarg_
126	#define _CPERLarg
127	#define PERL_OBJECT_THIS
128	#define _PERL_OBJECT_THIS
129	#define PERL_OBJECT_THIS_
130	#define CALL_FPTR(fptr) (*fptr)
131
132	#define CALLRUNOPS CALL_FPTR(PL_runops)
133	#define CALLREGCOMP CALL_FPTR(PL_regcompp)
134	#define CALLREGEXEC CALL_FPTR(PL_regexecp)
135	#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
136	#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
137	#define CALLREGFREE CALL_FPTR(PL_regfree)
138
139	#ifdef PERL_FLEXIBLE_EXCEPTIONS
140	# define CALLPROTECT CALL_FPTR(PL_protect)
141	#endif
142
143	#ifdef HASATTRIBUTE
144	# if defined(__GNUC__) && defined(__cplusplus)
145	# define PERL_UNUSED_DECL
146	# else
147	# define PERL_UNUSED_DECL __attribute__((unused))
148	# endif
149	#else
150	# define PERL_UNUSED_DECL
151	#endif
152
153	/* gcc -Wall:
154	* for silencing unused variables that are actually used most of the time,
155	* but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
156	*/
157	#define PERL_UNUSED_VAR(var) if (0) var = var
158
159	#define NOOP (void)0
160	#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
161
162	#ifndef pTHX
163	# define pTHX void
164	# define pTHX_
165	# define aTHX
166	# define aTHX_
167	# define dTHXa(a) dNOOP
168	# define dTHX dNOOP
169	# define pTHX_1 1
170	# define pTHX_2 2
171	# define pTHX_3 3
172	# define pTHX_4 4
173	#endif
174
175	/* these are only defined for compatibility; should not be used internally */
176	#if !defined(pTHXo) && !defined(PERL_CORE)
177	# define pTHXo pTHX
178	# define pTHXo_ pTHX_
179	# define aTHXo aTHX
180	# define aTHXo_ aTHX_
181	# define dTHXo dTHX
182	# define dTHXoa(x) dTHXa(x)
183	#endif
184
185	#ifndef pTHXx
186	# define pTHXx register PerlInterpreter *my_perl
187	# define pTHXx_ pTHXx,
188	# define aTHXx my_perl
189	# define aTHXx_ aTHXx,
190	# define dTHXx dTHX
191	#endif
192
193	/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
194	* PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
195	* dTHXs is therefore needed for all functions using PerlIO_foo(). */
196	#ifdef PERL_IMPLICIT_SYS
197	# define dTHXs dTHX
198	#else
199	# define dTHXs dNOOP
200	#endif
201
202	#undef START_EXTERN_C
203	#undef END_EXTERN_C
204	#undef EXTERN_C
205	#ifdef __cplusplus
206	# define START_EXTERN_C extern "C" {
207	# define END_EXTERN_C }
208	# define EXTERN_C extern "C"
209	#else
210	# define START_EXTERN_C
211	# define END_EXTERN_C
212	# define EXTERN_C extern
213	#endif
214
215	#ifdef OP_IN_REGISTER
216	# ifdef __GNUC__
217	# define stringify_immed(s) #s
218	# define stringify(s) stringify_immed(s)
219	register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
220	# endif
221	#endif
222
223	/*
224	* STMT_START { statements; } STMT_END;
225	* can be used as a single statement, as in
226	* if (x) STMT_START { ... } STMT_END; else ...
227	*
228	* Trying to select a version that gives no warnings...
229	*/
230	#if !(defined(STMT_START) && defined(STMT_END))
231	# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
232	# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
233	# define STMT_END )
234	# else
235	/* Now which other defined()s do we need here ??? */
236	# if (VOIDFLAGS) && (defined(sun) \|\| defined(__sun__))
237	# define STMT_START if (1)
238	# define STMT_END else (void)0
239	# else
240	# define STMT_START do
241	# define STMT_END while (0)
242	# endif
243	# endif
244	#endif
245
246	#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
247	#define WITH_THR(s) WITH_THX(s)
248
249	/*
250	* SOFT_CAST can be used for args to prototyped functions to retain some
251	* type checking; it only casts if the compiler does not know prototypes.
252	*/
253	#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
254	#define SOFT_CAST(type)
255	#else
256	#define SOFT_CAST(type) (type)
257	#endif
258
259	#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
260	# define BYTEORDER 0x1234
261	#endif
262
263	/* Overall memory policy? */
264	#ifndef CONSERVATIVE
265	# define LIBERAL 1
266	#endif
267
268	#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
269	#define ASCIIish
270	#else
271	#undef ASCIIish
272	#endif
273
274	/*
275	* The following contortions are brought to you on behalf of all the
276	* standards, semi-standards, de facto standards, not-so-de-facto standards
277	* of the world, as well as all the other botches anyone ever thought of.
278	* The basic theory is that if we work hard enough here, the rest of the
279	* code can be a lot prettier. Well, so much for theory. Sorry, Henry...
280	*/
281
282	/* define this once if either system, instead of cluttering up the src */
283	#if defined(MSDOS) \|\| defined(atarist) \|\| defined(WIN32) \|\| defined(NETWARE)
284	#define DOSISH 1
285	#endif
286
287	#if defined(__STDC__) \|\| defined(vax11c) \|\| defined(_AIX) \|\| defined(__stdc__) \|\| defined(__cplusplus) \|\| defined( EPOC) \|\| defined(NETWARE)
288	# define STANDARD_C 1
289	#endif
290
291	#if defined(__cplusplus) \|\| defined(WIN32) \|\| defined(__sgi) \|\| defined(OS2) \|\| defined(__DGUX) \|\| defined( EPOC) \|\| defined(__QNX__) \|\| defined(NETWARE)
292	# define DONT_DECLARE_STD 1
293	#endif
294
295	#if defined(HASVOLATILE) \|\| defined(STANDARD_C)
296	# ifdef __cplusplus
297	# define VOL /* to temporarily suppress warnings */
298	# else
299	# define VOL volatile
300	# endif
301	#else
302	# define VOL
303	#endif
304
305	#define TAINT (PL_tainted = TRUE)
306	#define TAINT_NOT (PL_tainted = FALSE)
307	#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
308	#define TAINT_ENV() if (PL_tainting) { taint_env(); }
309	#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
310
311	/* XXX All process group stuff is handled in pp_sys.c. Should these
312	defines move there? If so, I could simplify this a lot. --AD 9/96.
313	*/
314	/* Process group stuff changed from traditional BSD to POSIX.
315	perlfunc.pod documents the traditional BSD-style syntax, so we'll
316	try to preserve that, if possible.
317	*/
318	#ifdef HAS_SETPGID
319	# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
320	#else
321	# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
322	# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
323	# else
324	# ifdef HAS_SETPGRP2 /* DG/UX */
325	# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
326	# endif
327	# endif
328	#endif
329	#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
330	# define HAS_SETPGRP /* Well, effectively it does . . . */
331	#endif
332
333	/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
334	our life easier :-) so we'll try it.
335	*/
336	#ifdef HAS_GETPGID
337	# define BSD_GETPGRP(pid) getpgid((pid))
338	#else
339	# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
340	# define BSD_GETPGRP(pid) getpgrp((pid))
341	# else
342	# ifdef HAS_GETPGRP2 /* DG/UX */
343	# define BSD_GETPGRP(pid) getpgrp2((pid))
344	# endif
345	# endif
346	#endif
347	#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
348	# define HAS_GETPGRP /* Well, effectively it does . . . */
349	#endif
350
351	/* These are not exact synonyms, since setpgrp() and getpgrp() may
352	have different behaviors, but perl.h used to define USE_BSDPGRP
353	(prior to 5.003_05) so some extension might depend on it.
354	*/
355	#if defined(USE_BSD_SETPGRP) \|\| defined(USE_BSD_GETPGRP)
356	# ifndef USE_BSDPGRP
357	# define USE_BSDPGRP
358	# endif
359	#endif
360
361	/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
362	pthread.h must be included before all other header files.
363	*/
364	#if (defined(USE_5005THREADS) \|\| defined(USE_ITHREADS)) \
365	&& defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
366	# include <pthread.h>
367	#endif
368
369	#ifndef _TYPES_ /* If types.h defines this it's easy. */
370	# ifndef major /* Does everyone's types.h define this? */
371	# include <sys/types.h>
372	# endif
373	#endif
374
375	#ifdef __cplusplus
376	# ifndef I_STDARG
377	# define I_STDARG 1
378	# endif
379	#endif
380
381	#ifdef I_STDARG
382	# include <stdarg.h>
383	#else
384	# ifdef I_VARARGS
385	# include <varargs.h>
386	# endif
387	#endif
388
389	#ifdef USE_NEXT_CTYPE
390
391	#if NX_CURRENT_COMPILER_RELEASE >= 500
392	# include <bsd/ctypes.h>
393	#else
394	# if NX_CURRENT_COMPILER_RELEASE >= 400
395	# include <objc/NXCType.h>
396	# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
397	# include <appkit/NXCType.h>
398	# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
399	#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
400
401	#else /* !USE_NEXT_CTYPE */
402	#include <ctype.h>
403	#endif /* USE_NEXT_CTYPE */
404
405	#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
406	#undef METHOD
407	#endif
408
409	#ifdef PERL_MICRO
410	# define NO_LOCALE
411	#endif
412
413	#ifdef I_LOCALE
414	# include <locale.h>
415	#endif
416
417	#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
418	# define USE_LOCALE
419	# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
420	&& defined(HAS_STRXFRM)
421	# define USE_LOCALE_COLLATE
422	# endif
423	# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
424	# define USE_LOCALE_CTYPE
425	# endif
426	# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
427	# define USE_LOCALE_NUMERIC
428	# endif
429	#endif /* !NO_LOCALE && HAS_SETLOCALE */
430
431	#include <setjmp.h>
432
433	#ifdef I_SYS_PARAM
434	# ifdef PARAM_NEEDS_TYPES
435	# include <sys/types.h>
436	# endif
437	# include <sys/param.h>
438	#endif
439
440	/* Use all the "standard" definitions? */
441	#if defined(STANDARD_C) && defined(I_STDLIB)
442	# include <stdlib.h>
443	#endif
444
445	/* If this causes problems, set i_unistd=undef in the hint file. */
446	#ifdef I_UNISTD
447	# include <unistd.h>
448	#endif
449
450	#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
451	int syscall(int, ...);
452	#endif
453
454	#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
455	int usleep(unsigned int);
456	#endif
457
458	#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
459	# define MYSWAP
460	#endif
461
462	/* Cannot include embed.h here on Win32 as win32.h has not
463	yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
464	*/
465	#if !defined(PERL_FOR_X2P) && !(defined(WIN32)\|\|defined(VMS))
466	# include "embed.h"
467	#endif
468
469	#define MEM_SIZE Size_t
470
471	#if defined(STANDARD_C) && defined(I_STDDEF)
472	# include <stddef.h>
473	# define STRUCT_OFFSET(s,m) offsetof(s,m)
474	#else
475	# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
476	#endif
477
478	#if defined(I_STRING) \|\| defined(__cplusplus)
479	# include <string.h>
480	#else
481	# include <strings.h>
482	#endif
483
484	/* This comes after <stdlib.h> so we don't try to change the standard
485	* library prototypes; we'll use our own in proto.h instead. */
486
487	#ifdef MYMALLOC
488	# ifdef PERL_POLLUTE_MALLOC
489	# ifndef PERL_EXTMALLOC_DEF
490	# define Perl_malloc malloc
491	# define Perl_calloc calloc
492	# define Perl_realloc realloc
493	# define Perl_mfree free
494	# endif
495	# else
496	# define EMBEDMYMALLOC /* for compatibility */
497	# endif
498	START_EXTERN_C
499	Malloc_t Perl_malloc (MEM_SIZE nbytes);
500	Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
501	Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
502	/* 'mfree' rather than 'free', since there is already a 'perl_free'
503	* that causes clashes with case-insensitive linkers */
504	Free_t Perl_mfree (Malloc_t where);
505	END_EXTERN_C
506
507	typedef struct perl_mstats perl_mstats_t;
508
509	# define safemalloc Perl_malloc
510	# define safecalloc Perl_calloc
511	# define saferealloc Perl_realloc
512	# define safefree Perl_mfree
513	#else /* MYMALLOC */
514	# define safemalloc safesysmalloc
515	# define safecalloc safesyscalloc
516	# define saferealloc safesysrealloc
517	# define safefree safesysfree
518	#endif /* MYMALLOC */
519
520	#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
521	#define strchr index
522	#define strrchr rindex
523	#endif
524
525	#ifdef I_MEMORY
526	# include <memory.h>
527	#endif
528
529	#ifdef HAS_MEMCPY
530	# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
531	# ifndef memcpy
532	extern char * memcpy (char, char, int);
533	# endif
534	# endif
535	#else
536	# ifndef memcpy
537	# ifdef HAS_BCOPY
538	# define memcpy(d,s,l) bcopy(s,d,l)
539	# else
540	# define memcpy(d,s,l) my_bcopy(s,d,l)
541	# endif
542	# endif
543	#endif /* HAS_MEMCPY */
544
545	#ifdef HAS_MEMSET
546	# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
547	# ifndef memset
548	extern char memset (char, int, int);
549	# endif
550	# endif
551	#else
552	# undef memset
553	# define memset(d,c,l) my_memset(d,c,l)
554	#endif /* HAS_MEMSET */
555
556	#if !defined(HAS_MEMMOVE) && !defined(memmove)
557	# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
558	# define memmove(d,s,l) bcopy(s,d,l)
559	# else
560	# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
561	# define memmove(d,s,l) memcpy(d,s,l)
562	# else
563	# define memmove(d,s,l) my_bcopy(s,d,l)
564	# endif
565	# endif
566	#endif
567
568	#if defined(mips) && defined(ultrix) && !defined(__STDC__)
569	# undef HAS_MEMCMP
570	#endif
571
572	#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
573	# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
574	# ifndef memcmp
575	extern int memcmp (char, char, int);
576	# endif
577	# endif
578	# ifdef BUGGY_MSC
579	# pragma function(memcmp)
580	# endif
581	#else
582	# ifndef memcmp
583	# define memcmp my_memcmp
584	# endif
585	#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
586
587	#ifndef memzero
588	# ifdef HAS_MEMSET
589	# define memzero(d,l) memset(d,0,l)
590	# else
591	# ifdef HAS_BZERO
592	# define memzero(d,l) bzero(d,l)
593	# else
594	# define memzero(d,l) my_bzero(d,l)
595	# endif
596	# endif
597	#endif
598
599	#ifndef memchr
600	# ifndef HAS_MEMCHR
601	# define memchr(s,c,n) ninstr((char)(s), ((char)(s)) + n, &(c), &(c) + 1)
602	# endif
603	#endif
604
605	#ifndef HAS_BCMP
606	# ifndef bcmp
607	# define bcmp(s1,s2,l) memcmp(s1,s2,l)
608	# endif
609	#endif /* !HAS_BCMP */
610
611	#ifdef I_NETINET_IN
612	# include <netinet/in.h>
613	#endif
614
615	#ifdef I_ARPA_INET
616	# include <arpa/inet.h>
617	#endif
618
619	#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
620	/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
621	* (the neo-BSD seem to do this). */
622	# undef SF_APPEND
623	#endif
624
625	#ifdef I_SYS_STAT
626	# include <sys/stat.h>
627	#endif
628
629	/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
630	like UTekV) are broken, sometimes giving false positives. Undefine
631	them here and let the code below set them to proper values.
632
633	The ghs macro stands for GreenHills Software C-1.8.5 which
634	is the C compiler for sysV88 and the various derivatives.
635	This header file bug is corrected in gcc-2.5.8 and later versions.
636	--Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
637
638	#if defined(uts) \|\| (defined(m88k) && defined(ghs))
639	# undef S_ISDIR
640	# undef S_ISCHR
641	# undef S_ISBLK
642	# undef S_ISREG
643	# undef S_ISFIFO
644	# undef S_ISLNK
645	#endif
646
647	#ifdef I_TIME
648	# include <time.h>
649	#endif
650
651	#ifdef I_SYS_TIME
652	# ifdef I_SYS_TIME_KERNEL
653	# define KERNEL
654	# endif
655	# include <sys/time.h>
656	# ifdef I_SYS_TIME_KERNEL
657	# undef KERNEL
658	# endif
659	#endif
660
661	#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
662	# include <sys/times.h>
663	#endif
664
665	#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) \|\| !defined(HAS_RMDIR))
666	# undef HAS_STRERROR
667	#endif
668
669	#include <errno.h>
670
671	#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
672	# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
673	#endif
674
675	/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
676	#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
677	# define _SOCKADDR_LEN
678	#endif
679
680	#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
681	# include <sys/socket.h>
682	# if defined(USE_SOCKS) && defined(I_SOCKS)
683	# if !defined(INCLUDE_PROTOTYPES)
684	# define INCLUDE_PROTOTYPES /* for <socks.h> */
685	# define PERL_SOCKS_NEED_PROTOTYPES
686	# endif
687	# ifdef USE_5005THREADS
688	# define PERL_USE_THREADS /* store our value */
689	# undef USE_5005THREADS
690	# endif
691	# include <socks.h>
692	# ifdef USE_5005THREADS
693	# undef USE_5005THREADS /* socks.h does this on its own */
694	# endif
695	# ifdef PERL_USE_THREADS
696	# define USE_5005THREADS /* restore our value */
697	# undef PERL_USE_THREADS
698	# endif
699	# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
700	# undef INCLUDE_PROTOTYPES
701	# undef PERL_SOCKS_NEED_PROTOTYPES
702	# endif
703	# endif
704	# ifdef I_NETDB
705	# ifdef NETWARE
706	# include<stdio.h>
707	# endif
708	# include <netdb.h>
709	# endif
710	# ifndef ENOTSOCK
711	# ifdef I_NET_ERRNO
712	# include <net/errno.h>
713	# endif
714	# endif
715	#endif
716
717	/* sockatmark() is so new (2001) that many places might have it hidden
718	* behind some -D_BLAH_BLAH_SOURCE guard. */
719	#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
720	int sockatmark(int);
721	#endif
722
723	#ifdef SETERRNO
724	# undef SETERRNO /* SOCKS might have defined this */
725	#endif
726
727	#ifdef VMS
728	# define SETERRNO(errcode,vmserrcode) \
729	STMT_START { \
730	set_errno(errcode); \
731	set_vaxc_errno(vmserrcode); \
732	} STMT_END
733	#else
734	# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
735	#endif
736
737	#ifdef USE_5005THREADS
738	# define ERRSV (thr->errsv)
739	# define DEFSV THREADSV(0)
740	# define SAVE_DEFSV save_threadsv(0)
741	#else
742	# define ERRSV GvSV(PL_errgv)
743	# define DEFSV GvSV(PL_defgv)
744	# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
745	#endif /* USE_5005THREADS */
746
747	#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
748
749	#ifndef errno
750	extern int errno; /* ANSI allows errno to be an lvalue expr.
751	* For example in multithreaded environments
752	* something like this might happen:
753	* extern int *_errno(void);
754	* #define errno (_errno()) /
755	#endif
756
757	#ifdef HAS_STRERROR
758	# ifdef VMS
759	char *strerror (int,...);
760	# else
761	#ifndef DONT_DECLARE_STD
762	char *strerror (int);
763	#endif
764	# endif
765	# ifndef Strerror
766	# define Strerror strerror
767	# endif
768	#else
769	# ifdef HAS_SYS_ERRLIST
770	extern int sys_nerr;
771	extern char *sys_errlist[];
772	# ifndef Strerror
773	# define Strerror(e) \
774	((e) < 0 \|\| (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
775	# endif
776	# endif
777	#endif
778
779	#ifdef I_SYS_IOCTL
780	# ifndef _IOCTL_
781	# include <sys/ioctl.h>
782	# endif
783	#endif
784
785	#if defined(mc300) \|\| defined(mc500) \|\| defined(mc700) \|\| defined(mc6000)
786	# ifdef HAS_SOCKETPAIR
787	# undef HAS_SOCKETPAIR
788	# endif
789	# ifdef I_NDBM
790	# undef I_NDBM
791	# endif
792	#endif
793
794	#ifndef HAS_SOCKETPAIR
795	# ifdef HAS_SOCKET
796	# define socketpair Perl_my_socketpair
797	# endif
798	#endif
799
800	#if INTSIZE == 2
801	# define htoni htons
802	# define ntohi ntohs
803	#else
804	# define htoni htonl
805	# define ntohi ntohl
806	#endif
807
808	/* Configure already sets Direntry_t */
809	#if defined(I_DIRENT)
810	# include <dirent.h>
811	/* NeXT needs dirent + sys/dir.h */
812	# if defined(I_SYS_DIR) && (defined(NeXT) \|\| defined(__NeXT__))
813	# include <sys/dir.h>
814	# endif
815	#else
816	# ifdef I_SYS_NDIR
817	# include <sys/ndir.h>
818	# else
819	# ifdef I_SYS_DIR
820	# ifdef hp9000s500
821	# include <ndir.h> /* may be wrong in the future */
822	# else
823	# include <sys/dir.h>
824	# endif
825	# endif
826	# endif
827	#endif
828
829	#ifdef PERL_MICRO
830	# ifndef DIR
831	# define DIR void
832	# endif
833	#endif
834
835	#ifdef FPUTS_BOTCH
836	/* work around botch in SunOS 4.0.1 and 4.0.2 */
837	# ifndef fputs
838	# define fputs(sv,fp) fprintf(fp,"%s",sv)
839	# endif
840	#endif
841
842	/*
843	* The following gobbledygook brought to you on behalf of __STDC__.
844	* (I could just use #ifndef __STDC__, but this is more bulletproof
845	* in the face of half-implementations.)
846	*/
847
848	#if defined(I_SYSMODE) && !defined(PERL_MICRO)
849	#include <sys/mode.h>
850	#endif
851
852	#ifndef S_IFMT
853	# ifdef _S_IFMT
854	# define S_IFMT _S_IFMT
855	# else
856	# define S_IFMT 0170000
857	# endif
858	#endif
859
860	#ifndef S_ISDIR
861	# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
862	#endif
863
864	#ifndef S_ISCHR
865	# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
866	#endif
867
868	#ifndef S_ISBLK
869	# ifdef S_IFBLK
870	# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
871	# else
872	# define S_ISBLK(m) (0)
873	# endif
874	#endif
875
876	#ifndef S_ISREG
877	# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
878	#endif
879
880	#ifndef S_ISFIFO
881	# ifdef S_IFIFO
882	# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
883	# else
884	# define S_ISFIFO(m) (0)
885	# endif
886	#endif
887
888	#ifndef S_ISLNK
889	# ifdef _S_ISLNK
890	# define S_ISLNK(m) _S_ISLNK(m)
891	# else
892	# ifdef _S_IFLNK
893	# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
894	# else
895	# ifdef S_IFLNK
896	# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
897	# else
898	# define S_ISLNK(m) (0)
899	# endif
900	# endif
901	# endif
902	#endif
903
904	#ifndef S_ISSOCK
905	# ifdef _S_ISSOCK
906	# define S_ISSOCK(m) _S_ISSOCK(m)
907	# else
908	# ifdef _S_IFSOCK
909	# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
910	# else
911	# ifdef S_IFSOCK
912	# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
913	# else
914	# define S_ISSOCK(m) (0)
915	# endif
916	# endif
917	# endif
918	#endif
919
920	#ifndef S_IRUSR
921	# ifdef S_IREAD
922	# define S_IRUSR S_IREAD
923	# define S_IWUSR S_IWRITE
924	# define S_IXUSR S_IEXEC
925	# else
926	# define S_IRUSR 0400
927	# define S_IWUSR 0200
928	# define S_IXUSR 0100
929	# endif
930	#endif
931
932	#ifndef S_IRGRP
933	# ifdef S_IRUSR
934	# define S_IRGRP (S_IRUSR>>3)
935	# define S_IWGRP (S_IWUSR>>3)
936	# define S_IXGRP (S_IXUSR>>3)
937	# else
938	# define S_IRGRP 0040
939	# define S_IWGRP 0020
940	# define S_IXGRP 0010
941	# endif
942	#endif
943
944	#ifndef S_IROTH
945	# ifdef S_IRUSR
946	# define S_IROTH (S_IRUSR>>6)
947	# define S_IWOTH (S_IWUSR>>6)
948	# define S_IXOTH (S_IXUSR>>6)
949	# else
950	# define S_IROTH 0040
951	# define S_IWOTH 0020
952	# define S_IXOTH 0010
953	# endif
954	#endif
955
956	#ifndef S_ISUID
957	# define S_ISUID 04000
958	#endif
959
960	#ifndef S_ISGID
961	# define S_ISGID 02000
962	#endif
963
964	#ifndef S_IRWXU
965	# define S_IRWXU (S_IRUSR\|S_IWUSR\|S_IXUSR)
966	#endif
967
968	#ifndef S_IRWXG
969	# define S_IRWXG (S_IRGRP\|S_IWGRP\|S_IXGRP)
970	#endif
971
972	#ifndef S_IRWXO
973	# define S_IRWXO (S_IROTH\|S_IWOTH\|S_IXOTH)
974	#endif
975
976	/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
977	* which would get included through <sys/file.h >, but that is 3000
978	* lines in the future. --jhi */
979
980	#if !defined(S_IREAD) && !defined(__BEOS__)
981	# define S_IREAD S_IRUSR
982	#endif
983
984	#if !defined(S_IWRITE) && !defined(__BEOS__)
985	# define S_IWRITE S_IWUSR
986	#endif
987
988	#ifndef S_IEXEC
989	# define S_IEXEC S_IXUSR
990	#endif
991
992	#ifdef ff_next
993	# undef ff_next
994	#endif
995
996	#if defined(cray) \|\| defined(gould) \|\| defined(i860) \|\| defined(pyr)
997	# define SLOPPYDIVIDE
998	#endif
999
1000	#ifdef UV
1001	#undef UV
1002	#endif
1003
1004	#ifdef SPRINTF_E_BUG
1005	# define sprintf UTS_sprintf_wrap
1006	#endif
1007
1008	/* Configure gets this right but the UTS compiler gets it wrong.
1009	-- Hal Morris <hom00@utsglobal.com> */
1010	#ifdef UTS
1011	# undef UVTYPE
1012	# define UVTYPE unsigned
1013	#endif
1014
1015	/*
1016	The IV type is supposed to be long enough to hold any integral
1017	value or a pointer.
1018	--Andy Dougherty August 1996
1019	*/
1020
1021	typedef IVTYPE IV;
1022	typedef UVTYPE UV;
1023
1024	#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1025	# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1026	# define IV_MAX INT64_MAX
1027	# define IV_MIN INT64_MIN
1028	# define UV_MAX UINT64_MAX
1029	# ifndef UINT64_MIN
1030	# define UINT64_MIN 0
1031	# endif
1032	# define UV_MIN UINT64_MIN
1033	# else
1034	# define IV_MAX PERL_QUAD_MAX
1035	# define IV_MIN PERL_QUAD_MIN
1036	# define UV_MAX PERL_UQUAD_MAX
1037	# define UV_MIN PERL_UQUAD_MIN
1038	# endif
1039	# define IV_IS_QUAD
1040	# define UV_IS_QUAD
1041	#else
1042	# if defined(INT32_MAX) && IVSIZE == 4
1043	# define IV_MAX INT32_MAX
1044	# define IV_MIN INT32_MIN
1045	# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1046	# define UV_MAX UINT32_MAX
1047	# else
1048	# define UV_MAX 4294967295U
1049	# endif
1050	# ifndef UINT32_MIN
1051	# define UINT32_MIN 0
1052	# endif
1053	# define UV_MIN UINT32_MIN
1054	# else
1055	# define IV_MAX PERL_LONG_MAX
1056	# define IV_MIN PERL_LONG_MIN
1057	# define UV_MAX PERL_ULONG_MAX
1058	# define UV_MIN PERL_ULONG_MIN
1059	# endif
1060	# if IVSIZE == 8
1061	# define IV_IS_QUAD
1062	# define UV_IS_QUAD
1063	# ifndef HAS_QUAD
1064	# define HAS_QUAD
1065	# endif
1066	# else
1067	# undef IV_IS_QUAD
1068	# undef UV_IS_QUAD
1069	# undef HAS_QUAD
1070	# endif
1071	#endif
1072
1073	#if defined(uts) \|\| defined(UTS)
1074	# undef UV_MAX
1075	# define UV_MAX (4294967295u)
1076	#endif
1077
1078	#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1079	#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1080
1081	#ifndef NO_PERL_PRESERVE_IVUV
1082	#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1083	#endif
1084
1085	/*
1086	* The macros INT2PTR and NUM2PTR are (despite their names)
1087	* bi-directional: they will convert int/float to or from pointers.
1088	* However the conversion to int/float are named explicitly:
1089	* PTR2IV, PTR2UV, PTR2NV.
1090	*
1091	* For int conversions we do not need two casts if pointers are
1092	* the same size as IV and UV. Otherwise we need an explicit
1093	* cast (PTRV) to avoid compiler warnings.
1094	*/
1095	#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1096	# define PTRV UV
1097	# define INT2PTR(any,d) (any)(d)
1098	#else
1099	# if PTRSIZE == LONGSIZE
1100	# define PTRV unsigned long
1101	# else
1102	# define PTRV unsigned
1103	# endif
1104	# define INT2PTR(any,d) (any)(PTRV)(d)
1105	#endif
1106	#define NUM2PTR(any,d) (any)(PTRV)(d)
1107	#define PTR2IV(p) INT2PTR(IV,p)
1108	#define PTR2UV(p) INT2PTR(UV,p)
1109	#define PTR2NV(p) NUM2PTR(NV,p)
1110	#if PTRSIZE == LONGSIZE
1111	# define PTR2ul(p) (unsigned long)(p)
1112	#else
1113	# define PTR2ul(p) INT2PTR(unsigned long,p)
1114	#endif
1115
1116	#ifdef USE_LONG_DOUBLE
1117	# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1118	# define LONG_DOUBLE_EQUALS_DOUBLE
1119	# endif
1120	# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
1121	# undef USE_LONG_DOUBLE /* Ouch! */
1122	# endif
1123	#endif
1124
1125	#ifdef OVR_DBL_DIG
1126	/* Use an overridden DBL_DIG */
1127	# ifdef DBL_DIG
1128	# undef DBL_DIG
1129	# endif
1130	# define DBL_DIG OVR_DBL_DIG
1131	#else
1132	/* The following is all to get DBL_DIG, in order to pick a nice
1133	default value for printing floating point numbers in Gconvert.
1134	(see config.h)
1135	*/
1136	#ifdef I_LIMITS
1137	#include <limits.h>
1138	#endif
1139	#ifdef I_FLOAT
1140	#include <float.h>
1141	#endif
1142	#ifndef HAS_DBL_DIG
1143	#define DBL_DIG 15 /* A guess that works lots of places */
1144	#endif
1145	#endif
1146	#ifdef I_FLOAT
1147	#include <float.h>
1148	#endif
1149	#ifndef HAS_DBL_DIG
1150	#define DBL_DIG 15 /* A guess that works lots of places */
1151	#endif
1152
1153	#ifdef OVR_LDBL_DIG
1154	/* Use an overridden LDBL_DIG */
1155	# ifdef LDBL_DIG
1156	# undef LDBL_DIG
1157	# endif
1158	# define LDBL_DIG OVR_LDBL_DIG
1159	#else
1160	/* The following is all to get LDBL_DIG, in order to pick a nice
1161	default value for printing floating point numbers in Gconvert.
1162	(see config.h)
1163	*/
1164	# ifdef I_LIMITS
1165	# include <limits.h>
1166	# endif
1167	# ifdef I_FLOAT
1168	# include <float.h>
1169	# endif
1170	# ifndef HAS_LDBL_DIG
1171	# if LONG_DOUBLESIZE == 10
1172	# define LDBL_DIG 18 /* assume IEEE */
1173	# else
1174	# if LONG_DOUBLESIZE == 12
1175	# define LDBL_DIG 18 /* gcc? */
1176	# else
1177	# if LONG_DOUBLESIZE == 16
1178	# define LDBL_DIG 33 /* assume IEEE */
1179	# else
1180	# if LONG_DOUBLESIZE == DOUBLESIZE
1181	# define LDBL_DIG DBL_DIG /* bummer */
1182	# endif
1183	# endif
1184	# endif
1185	# endif
1186	# endif
1187	#endif
1188
1189	typedef NVTYPE NV;
1190
1191	#ifdef I_IEEEFP
1192	# include <ieeefp.h>
1193	#endif
1194
1195	#ifdef USE_LONG_DOUBLE
1196	# ifdef I_SUNMATH
1197	# include <sunmath.h>
1198	# endif
1199	# define NV_DIG LDBL_DIG
1200	# ifdef LDBL_MANT_DIG
1201	# define NV_MANT_DIG LDBL_MANT_DIG
1202	# endif
1203	# ifdef LDBL_MIN
1204	# define NV_MIN LDBL_MIN
1205	# endif
1206	# ifdef LDBL_MAX
1207	# define NV_MAX LDBL_MAX
1208	# endif
1209	# ifdef LDBL_MIN_10_EXP
1210	# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1211	# endif
1212	# ifdef LDBL_MAX_10_EXP
1213	# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1214	# endif
1215	# ifdef LDBL_EPSILON
1216	# define NV_EPSILON LDBL_EPSILON
1217	# endif
1218	# ifdef LDBL_MAX
1219	# define NV_MAX LDBL_MAX
1220	# define NV_MIN LDBL_MIN
1221	# else
1222	# ifdef HUGE_VALL
1223	# define NV_MAX HUGE_VALL
1224	# else
1225	# ifdef HUGE_VAL
1226	# define NV_MAX ((NV)HUGE_VAL)
1227	# endif
1228	# endif
1229	# endif
1230	# ifdef HAS_SQRTL
1231	# define Perl_cos cosl
1232	# define Perl_sin sinl
1233	# define Perl_sqrt sqrtl
1234	# define Perl_exp expl
1235	# define Perl_log logl
1236	# define Perl_atan2 atan2l
1237	# define Perl_pow powl
1238	# define Perl_floor floorl
1239	# define Perl_fmod fmodl
1240	# endif
1241	/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1242	# ifdef HAS_MODFL
1243	# define Perl_modf(x,y) modfl(x,y)
1244	# else
1245	# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
1246	# endif
1247	# ifdef HAS_FREXPL
1248	# define Perl_frexp(x,y) frexpl(x,y)
1249	# else
1250	# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
1251	# endif
1252	# ifndef Perl_isnan
1253	# ifdef HAS_ISNANL
1254	# define Perl_isnan(x) isnanl(x)
1255	# endif
1256	# endif
1257	# ifndef Perl_isinf
1258	# ifdef HAS_FINITEL
1259	# define Perl_isinf(x) !(finitel(x)\|\|Perl_isnan(x))
1260	# endif
1261	# endif
1262	#else
1263	# define NV_DIG DBL_DIG
1264	# ifdef DBL_MANT_DIG
1265	# define NV_MANT_DIG DBL_MANT_DIG
1266	# endif
1267	# ifdef DBL_MIN
1268	# define NV_MIN DBL_MIN
1269	# endif
1270	# ifdef DBL_MAX
1271	# define NV_MAX DBL_MAX
1272	# endif
1273	# ifdef DBL_MIN_10_EXP
1274	# define NV_MIN_10_EXP DBL_MIN_10_EXP
1275	# endif
1276	# ifdef DBL_MAX_10_EXP
1277	# define NV_MAX_10_EXP DBL_MAX_10_EXP
1278	# endif
1279	# ifdef DBL_EPSILON
1280	# define NV_EPSILON DBL_EPSILON
1281	# endif
1282	# ifdef DBL_MAX
1283	# define NV_MAX DBL_MAX
1284	# define NV_MIN DBL_MIN
1285	# else
1286	# ifdef HUGE_VAL
1287	# define NV_MAX HUGE_VAL
1288	# endif
1289	# endif
1290	# define Perl_cos cos
1291	# define Perl_sin sin
1292	# define Perl_sqrt sqrt
1293	# define Perl_exp exp
1294	# define Perl_log log
1295	# define Perl_atan2 atan2
1296	# define Perl_pow pow
1297	# define Perl_floor floor
1298	# define Perl_fmod fmod
1299	# define Perl_modf(x,y) modf(x,y)
1300	# define Perl_frexp(x,y) frexp(x,y)
1301	#endif
1302
1303	/* rumor has it that Win32 has _fpclass() */
1304
1305	#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)\|\|defined(HAS_FPCLASSL))
1306	# ifdef I_IEEFP
1307	# include <ieeefp.h>
1308	# endif
1309	# ifdef I_FP
1310	# include <fp.h>
1311	# endif
1312	# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1313	# define Perl_fp_class() fpclassl(x)
1314	# else
1315	# define Perl_fp_class() fpclass(x)
1316	# endif
1317	# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1318	# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1319	# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN\|\|Perl_fp_class(x)==FP_CLASS_QNAN)
1320	# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1321	# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1322	# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF\|\|Perl_fp_class(x)==FP_CLASS_PINF)
1323	# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1324	# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1325	# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM\|\|Perl_fp_class(x)==FP_CLASS_PNORM)
1326	# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1327	# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1328	# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM\|\|Perl_fp_class(x)==FP_CLASS_PDENORM)
1329	# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1330	# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1331	# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO\|\|Perl_fp_class(x)==FP_CLASS_PZERO)
1332	#endif
1333
1334	#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
1335	# include <math.h>
1336	# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1337	# include <fp_class.h>
1338	# endif
1339	# define Perl_fp_class(x) fp_class(x)
1340	# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1341	# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1342	# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN\|\|fp_class(x)==FP_QNAN)
1343	# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1344	# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1345	# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF\|\|fp_class(x)==FP_POS_INF)
1346	# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1347	# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1348	# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM\|\|fp_class(x)==FP_POS_NORM)
1349	# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1350	# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1351	# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM\|\|fp_class(x)==FP_POS_DENORM)
1352	# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1353	# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1354	# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO\|\|fp_class(x)==FP_POS_ZERO)
1355	#endif
1356
1357	#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1358	# include <math.h>
1359	# define Perl_fp_class(x) fpclassify(x)
1360	# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN\|\|fp_classify(x)==FP_QNAN)
1361	# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1362	# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1363	# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1364	# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1365	#endif
1366
1367	#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1368	# include <math.h>
1369	# ifndef _cplusplus
1370	# define Perl_fp_class(x) class(x)
1371	# else
1372	# define Perl_fp_class(x) _class(x)
1373	# endif
1374	# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1375	# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1376	# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN\|\|Perl_fp_class(x)==FP_QNAN)
1377	# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1378	# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1379	# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF\|\|Perl_fp_class(x)==FP_PLUS_INF)
1380	# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1381	# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1382	# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM\|\|Perl_fp_class(x)==FP_PLUS_NORM)
1383	# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1384	# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1385	# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM\|\|Perl_fp_class(x)==FP_PLUS_DENORM)
1386	# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1387	# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1388	# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO\|\|Perl_fp_class(x)==FP_PLUS_ZERO)
1389	#endif
1390
1391	/* rumor has it that Win32 has _isnan() */
1392
1393	#ifndef Perl_isnan
1394	# ifdef HAS_ISNAN
1395	# define Perl_isnan(x) isnan((NV)x)
1396	# else
1397	# ifdef Perl_fp_class_nan
1398	# define Perl_isnan(x) Perl_fp_class_nan(x)
1399	# else
1400	# ifdef HAS_UNORDERED
1401	# define Perl_isnan(x) unordered((x), 0.0)
1402	# else
1403	# define Perl_isnan(x) ((x)!=(x))
1404	# endif
1405	# endif
1406	# endif
1407	#endif
1408
1409	#ifdef UNDER_CE
1410	int isnan(double d);
1411	#endif
1412
1413	#ifndef Perl_isinf
1414	# ifdef HAS_ISINF
1415	# define Perl_isinf(x) isinf((NV)x)
1416	# else
1417	# ifdef Perl_fp_class_inf
1418	# define Perl_isinf(x) Perl_fp_class_inf(x)
1419	# else
1420	# define Perl_isinf(x) ((x)==NV_INF)
1421	# endif
1422	# endif
1423	#endif
1424
1425	#ifndef Perl_isfinite
1426	# ifdef HAS_FINITE
1427	# define Perl_isfinite(x) finite((NV)x)
1428	# else
1429	# ifdef HAS_ISFINITE
1430	# define Perl_isfinite(x) isfinite(x)
1431	# else
1432	# ifdef Perl_fp_class_finite
1433	# define Perl_isfinite(x) Perl_fp_class_finite(x)
1434	# else
1435	# define Perl_isfinite(x) !(Perl_is_inf(x)\|\|Perl_is_nan(x))
1436	# endif
1437	# endif
1438	# endif
1439	#endif
1440
1441	/* The default is to use Perl's own atof() implementation (in numeric.c).
1442	* Usually that is the one to use but for some platforms (e.g. UNICOS)
1443	* it is however best to use the native implementation of atof.
1444	* You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1445	* Some good tests to try out with either setting are t/base/num.t,
1446	* t/op/numconvert.t, and t/op/pack.t. */
1447
1448	#ifndef USE_PERL_ATOF
1449	# ifndef _UNICOS
1450	# define USE_PERL_ATOF
1451	# endif
1452	#else
1453	# if USE_PERL_ATOF == 0
1454	# undef USE_PERL_ATOF
1455	# endif
1456	#endif
1457
1458	#ifdef USE_PERL_ATOF
1459	# define Perl_atof(s) Perl_my_atof(s)
1460	# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1461	#else
1462	# define Perl_atof(s) (NV)atof(s)
1463	# define Perl_atof2(s, n) ((n) = atof(s))
1464	#endif
1465
1466	/* Previously these definitions used hardcoded figures.
1467	* It is hoped these formula are more portable, although
1468	* no data one way or another is presently known to me.
1469	* The "PERL_" names are used because these calculated constants
1470	* do not meet the ANSI requirements for LONG_MAX, etc., which
1471	* need to be constants acceptable to #if - kja
1472	* define PERL_LONG_MAX 2147483647L
1473	* define PERL_LONG_MIN (-LONG_MAX - 1)
1474	* define PERL ULONG_MAX 4294967295L
1475	*/
1476
1477	#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1478	# include <limits.h>
1479	#else
1480	#ifdef I_VALUES
1481	# include <values.h>
1482	#endif
1483	#endif
1484
1485	/*
1486	* Try to figure out max and min values for the integral types. THE CORRECT
1487	* SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1488	* following hacks are used if neither limits.h or values.h provide them:
1489	* U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1490	* for types < int: (unsigned TYPE)~(unsigned)0
1491	* The argument to ~ must be unsigned so that later signed->unsigned
1492	* conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1493	* and it must not be smaller than int because ~ does integral promotion.
1494	* <type>_MAX: (<type>) (U<type>_MAX >> 1)
1495	* <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1496	* The latter is a hack which happens to work on some machines but
1497	* does not catch any random system, or things like integer types
1498	* with NaN if that is possible.
1499	*
1500	* All of the types are explicitly cast to prevent accidental loss of
1501	* numeric range, and in the hope that they will be less likely to confuse
1502	* over-eager optimizers.
1503	*
1504	*/
1505
1506	#define PERL_UCHAR_MIN ((unsigned char)0)
1507
1508	#ifdef UCHAR_MAX
1509	# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
1510	#else
1511	# ifdef MAXUCHAR
1512	# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
1513	# else
1514	# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
1515	# endif
1516	#endif
1517
1518	/*
1519	* CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1520	* ambiguous. It may be equivalent to (signed char) or (unsigned char)
1521	* depending on local options. Until Configure detects this (or at least
1522	* detects whether the "signed" keyword is available) the CHAR ranges
1523	* will not be included. UCHAR functions normally.
1524	* - kja
1525	*/
1526
1527	#define PERL_USHORT_MIN ((unsigned short)0)
1528
1529	#ifdef USHORT_MAX
1530	# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
1531	#else
1532	# ifdef MAXUSHORT
1533	# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
1534	# else
1535	# ifdef USHRT_MAX
1536	# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1537	# else
1538	# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1539	# endif
1540	# endif
1541	#endif
1542
1543	#ifdef SHORT_MAX
1544	# define PERL_SHORT_MAX ((short)SHORT_MAX)
1545	#else
1546	# ifdef MAXSHORT /* Often used in <values.h> */
1547	# define PERL_SHORT_MAX ((short)MAXSHORT)
1548	# else
1549	# ifdef SHRT_MAX
1550	# define PERL_SHORT_MAX ((short)SHRT_MAX)
1551	# else
1552	# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1553	# endif
1554	# endif
1555	#endif
1556
1557	#ifdef SHORT_MIN
1558	# define PERL_SHORT_MIN ((short)SHORT_MIN)
1559	#else
1560	# ifdef MINSHORT
1561	# define PERL_SHORT_MIN ((short)MINSHORT)
1562	# else
1563	# ifdef SHRT_MIN
1564	# define PERL_SHORT_MIN ((short)SHRT_MIN)
1565	# else
1566	# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1567	# endif
1568	# endif
1569	#endif
1570
1571	#ifdef UINT_MAX
1572	# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
1573	#else
1574	# ifdef MAXUINT
1575	# define PERL_UINT_MAX ((unsigned int)MAXUINT)
1576	# else
1577	# define PERL_UINT_MAX (~(unsigned int)0)
1578	# endif
1579	#endif
1580
1581	#define PERL_UINT_MIN ((unsigned int)0)
1582
1583	#ifdef INT_MAX
1584	# define PERL_INT_MAX ((int)INT_MAX)
1585	#else
1586	# ifdef MAXINT /* Often used in <values.h> */
1587	# define PERL_INT_MAX ((int)MAXINT)
1588	# else
1589	# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
1590	# endif
1591	#endif
1592
1593	#ifdef INT_MIN
1594	# define PERL_INT_MIN ((int)INT_MIN)
1595	#else
1596	# ifdef MININT
1597	# define PERL_INT_MIN ((int)MININT)
1598	# else
1599	# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1600	# endif
1601	#endif
1602
1603	#ifdef ULONG_MAX
1604	# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
1605	#else
1606	# ifdef MAXULONG
1607	# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
1608	# else
1609	# define PERL_ULONG_MAX (~(unsigned long)0)
1610	# endif
1611	#endif
1612
1613	#define PERL_ULONG_MIN ((unsigned long)0L)
1614
1615	#ifdef LONG_MAX
1616	# define PERL_LONG_MAX ((long)LONG_MAX)
1617	#else
1618	# ifdef MAXLONG /* Often used in <values.h> */
1619	# define PERL_LONG_MAX ((long)MAXLONG)
1620	# else
1621	# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
1622	# endif
1623	#endif
1624
1625	#ifdef LONG_MIN
1626	# define PERL_LONG_MIN ((long)LONG_MIN)
1627	#else
1628	# ifdef MINLONG
1629	# define PERL_LONG_MIN ((long)MINLONG)
1630	# else
1631	# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
1632	# endif
1633	#endif
1634
1635	#ifdef UV_IS_QUAD
1636
1637	# define PERL_UQUAD_MAX (~(UV)0)
1638	# define PERL_UQUAD_MIN ((UV)0)
1639	# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
1640	# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
1641
1642	#endif
1643
1644	struct perl_mstats {
1645	UV *nfree;
1646	UV *ntotal;
1647	IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1648	IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1649	IV minbucket;
1650	/* Level 1 info */
1651	UV *bucket_mem_size;
1652	UV *bucket_available_size;
1653	UV nbuckets;
1654	};
1655	struct RExC_state_t;
1656
1657	typedef MEM_SIZE STRLEN;
1658
1659	typedef struct op OP;
1660	typedef struct cop COP;
1661	typedef struct unop UNOP;
1662	typedef struct binop BINOP;
1663	typedef struct listop LISTOP;
1664	typedef struct logop LOGOP;
1665	typedef struct pmop PMOP;
1666	typedef struct svop SVOP;
1667	typedef struct padop PADOP;
1668	typedef struct pvop PVOP;
1669	typedef struct loop LOOP;
1670
1671	typedef struct interpreter PerlInterpreter;
1672
1673	/* Amdahl's <ksync.h> has struct sv */
1674	/* SGI's <sys/sema.h> has struct sv */
1675	#if defined(UTS) \|\| defined(__sgi)
1676	# define STRUCT_SV perl_sv
1677	#else
1678	# define STRUCT_SV sv
1679	#endif
1680	typedef struct STRUCT_SV SV;
1681	typedef struct av AV;
1682	typedef struct hv HV;
1683	typedef struct cv CV;
1684	typedef struct regexp REGEXP;
1685	typedef struct gp GP;
1686	typedef struct gv GV;
1687	typedef struct io IO;
1688	typedef struct context PERL_CONTEXT;
1689	typedef struct block BLOCK;
1690
1691	typedef struct magic MAGIC;
1692	typedef struct xrv XRV;
1693	typedef struct xpv XPV;
1694	typedef struct xpviv XPVIV;
1695	typedef struct xpvuv XPVUV;
1696	typedef struct xpvnv XPVNV;
1697	typedef struct xpvmg XPVMG;
1698	typedef struct xpvlv XPVLV;
1699	typedef struct xpvav XPVAV;
1700	typedef struct xpvhv XPVHV;
1701	typedef struct xpvgv XPVGV;
1702	typedef struct xpvcv XPVCV;
1703	typedef struct xpvbm XPVBM;
1704	typedef struct xpvfm XPVFM;
1705	typedef struct xpvio XPVIO;
1706	typedef struct mgvtbl MGVTBL;
1707	typedef union any ANY;
1708	typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1709	typedef struct ptr_tbl PTR_TBL_t;
1710	typedef struct clone_params CLONE_PARAMS;
1711
1712
1713	#include "handy.h"
1714
1715	#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
1716	# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1717	# define USE_64_BIT_RAWIO /* implicit */
1718	# endif
1719	#endif
1720
1721	/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1722	* fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1723	* however, because operating systems like to do that themself. */
1724	#ifndef FSEEKSIZE
1725	# ifdef HAS_FSEEKO
1726	# define FSEEKSIZE LSEEKSIZE
1727	# else
1728	# define FSEEKSIZE LONGSIZE
1729	# endif
1730	#endif
1731
1732	#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
1733	# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1734	# define USE_64_BIT_STDIO /* implicit */
1735	# endif
1736	#endif
1737
1738	#ifdef USE_64_BIT_RAWIO
1739	# ifdef HAS_OFF64_T
1740	# undef Off_t
1741	# define Off_t off64_t
1742	# undef LSEEKSIZE
1743	# define LSEEKSIZE 8
1744	# endif
1745	/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1746	* will trigger defines like the ones below. Some 64-bit environments,
1747	* however, do not. Therefore we have to explicitly mix and match. */
1748	# if defined(USE_OPEN64)
1749	# define open open64
1750	# endif
1751	# if defined(USE_LSEEK64)
1752	# define lseek lseek64
1753	# else
1754	# if defined(USE_LLSEEK)
1755	# define lseek llseek
1756	# endif
1757	# endif
1758	# if defined(USE_STAT64)
1759	# define stat stat64
1760	# endif
1761	# if defined(USE_FSTAT64)
1762	# define fstat fstat64
1763	# endif
1764	# if defined(USE_LSTAT64)
1765	# define lstat lstat64
1766	# endif
1767	# if defined(USE_FLOCK64)
1768	# define flock flock64
1769	# endif
1770	# if defined(USE_LOCKF64)
1771	# define lockf lockf64
1772	# endif
1773	# if defined(USE_FCNTL64)
1774	# define fcntl fcntl64
1775	# endif
1776	# if defined(USE_TRUNCATE64)
1777	# define truncate truncate64
1778	# endif
1779	# if defined(USE_FTRUNCATE64)
1780	# define ftruncate ftruncate64
1781	# endif
1782	#endif
1783
1784	#ifdef USE_64_BIT_STDIO
1785	# ifdef HAS_FPOS64_T
1786	# undef Fpos_t
1787	# define Fpos_t fpos64_t
1788	# endif
1789	/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1790	* will trigger defines like the ones below. Some 64-bit environments,
1791	* however, do not. */
1792	# if defined(USE_FOPEN64)
1793	# define fopen fopen64
1794	# endif
1795	# if defined(USE_FSEEK64)
1796	# define fseek fseek64 /* don't do fseeko here, see perlio.c */
1797	# endif
1798	# if defined(USE_FTELL64)
1799	# define ftell ftell64 /* don't do ftello here, see perlio.c */
1800	# endif
1801	# if defined(USE_FSETPOS64)
1802	# define fsetpos fsetpos64
1803	# endif
1804	# if defined(USE_FGETPOS64)
1805	# define fgetpos fgetpos64
1806	# endif
1807	# if defined(USE_TMPFILE64)
1808	# define tmpfile tmpfile64
1809	# endif
1810	# if defined(USE_FREOPEN64)
1811	# define freopen freopen64
1812	# endif
1813	#endif
1814
1815	#if defined(OS2) \|\| defined(MACOS_TRADITIONAL)
1816	# include "iperlsys.h"
1817	#endif
1818
1819	#if defined(__OPEN_VM)
1820	# include "vmesa/vmesaish.h"
1821	# define ISHISH "vmesa"
1822	#endif
1823
1824	#ifdef DOSISH
1825	# if defined(OS2)
1826	# include "os2ish.h"
1827	# else
1828	# include "dosish.h"
1829	# endif
1830	# define ISHISH "dos"
1831	#endif
1832
1833	#if defined(VMS)
1834	# include "vmsish.h"
1835	# include "embed.h"
1836	# define ISHISH "vms"
1837	#endif
1838
1839	#if defined(PLAN9)
1840	# include "./plan9/plan9ish.h"
1841	# define ISHISH "plan9"
1842	#endif
1843
1844	#if defined(MPE)
1845	# include "mpeix/mpeixish.h"
1846	# define ISHISH "mpeix"
1847	#endif
1848
1849	#if defined(__VOS__)
1850	# ifdef __GNUC__
1851	# include "./vos/vosish.h"
1852	# else
1853	# include "vos/vosish.h"
1854	# endif
1855	# define ISHISH "vos"
1856	#endif
1857
1858	#if defined(EPOC)
1859	# include "epocish.h"
1860	# define ISHISH "epoc"
1861	#endif
1862
1863	#if defined(MACOS_TRADITIONAL)
1864	# include "macos/macish.h"
1865	# ifndef NO_ENVIRON_ARRAY
1866	# define NO_ENVIRON_ARRAY
1867	# endif
1868	# define ISHISH "macos classic"
1869	#endif
1870
1871	#if defined(__BEOS__)
1872	# include "beos/beosish.h"
1873	# define ISHISH "beos"
1874	#endif
1875
1876	#ifndef ISHISH
1877	# include "unixish.h"
1878	# define ISHISH "unix"
1879	#endif
1880
1881	#ifndef NO_ENVIRON_ARRAY
1882	# define USE_ENVIRON_ARRAY
1883	#endif
1884
1885	/*
1886	* initialise to avoid floating-point exceptions from overflow, etc
1887	*/
1888	#ifndef PERL_FPU_INIT
1889	# ifdef HAS_FPSETMASK
1890	# if HAS_FLOATINGPOINT_H
1891	# include <floatingpoint.h>
1892	# endif
1893	# define PERL_FPU_INIT fpsetmask(0);
1894	# else
1895	# if defined(SIGFPE) && defined(SIG_IGN)
1896	# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1897	# else
1898	# define PERL_FPU_INIT
1899	# endif
1900	# endif
1901	#endif
1902
1903	#ifndef PERL_SYS_INIT3
1904	# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1905	#endif
1906
1907	#ifndef PERL_WRITE_MSG_TO_CONSOLE
1908	# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1909	#endif
1910
1911	#ifndef MAXPATHLEN
1912	# ifdef PATH_MAX
1913	# ifdef _POSIX_PATH_MAX
1914	# if PATH_MAX > _POSIX_PATH_MAX
1915	/* MAXPATHLEN is supposed to include the final null character,
1916	* as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1917	# define MAXPATHLEN (PATH_MAX+1)
1918	# else
1919	# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1920	# endif
1921	# else
1922	# define MAXPATHLEN (PATH_MAX+1)
1923	# endif
1924	# else
1925	# ifdef _POSIX_PATH_MAX
1926	# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1927	# else
1928	# define MAXPATHLEN 1024 /* Err on the large side. */
1929	# endif
1930	# endif
1931	#endif
1932
1933	/*
1934	* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
1935	* <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
1936	* this results in many functions being undeclared which bothers C++
1937	* May make sense to have threads after "*ish.h" anyway
1938	*/
1939
1940	#if defined(USE_5005THREADS) \|\| defined(USE_ITHREADS)
1941	# if defined(USE_5005THREADS)
1942	/* pending resolution of licensing issues, we avoid the erstwhile
1943	* atomic.h everywhere */
1944	# define EMULATE_ATOMIC_REFCOUNTS
1945	# endif
1946	# ifdef NETWARE
1947	# include <nw5thread.h>
1948	# else
1949	# ifdef FAKE_THREADS
1950	# include "fakethr.h"
1951	# else
1952	# ifdef WIN32
1953	# include <win32thread.h>
1954	# else
1955	# ifdef OS2
1956	# include "os2thread.h"
1957	# else
1958	# ifdef I_MACH_CTHREADS
1959	# include <mach/cthreads.h>
1960	# if (defined(NeXT) \|\| defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
1961	# define MUTEX_INIT_CALLS_MALLOC
1962	# endif
1963	typedef cthread_t perl_os_thread;
1964	typedef mutex_t perl_mutex;
1965	typedef condition_t perl_cond;
1966	typedef void * perl_key;
1967	# else /* Posix threads */
1968	# ifdef I_PTHREAD
1969	# include <pthread.h>
1970	# endif
1971	typedef pthread_t perl_os_thread;
1972	typedef pthread_mutex_t perl_mutex;
1973	typedef pthread_cond_t perl_cond;
1974	typedef pthread_key_t perl_key;
1975	# endif /* I_MACH_CTHREADS */
1976	# endif /* OS2 */
1977	# endif /* WIN32 */
1978	# endif /* FAKE_THREADS */
1979	#endif /* NETWARE */
1980	#endif /* USE_5005THREADS \|\| USE_ITHREADS */
1981
1982	#if defined(WIN32)
1983	# include "win32.h"
1984	#endif
1985
1986	#ifdef NETWARE
1987	# include "netware.h"
1988	#endif
1989
1990	#ifdef VMS
1991	# define STATUS_NATIVE PL_statusvalue_vms
1992	# define STATUS_NATIVE_EXPORT \
1993	(((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) \| (VMSISH_HUSHED ? 0x10000000 : 0))
1994	# define STATUS_NATIVE_SET(n) \
1995	STMT_START { \
1996	PL_statusvalue_vms = (n); \
1997	if ((I32)PL_statusvalue_vms == -1) \
1998	PL_statusvalue = -1; \
1999	else if (PL_statusvalue_vms & STS$M_SUCCESS) \
2000	PL_statusvalue = 0; \
2001	else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2002	PL_statusvalue = 1 << 8; \
2003	else \
2004	PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
2005	} STMT_END
2006	# define STATUS_POSIX PL_statusvalue
2007	# ifdef VMSISH_STATUS
2008	# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2009	# else
2010	# define STATUS_CURRENT STATUS_POSIX
2011	# endif
2012	# define STATUS_POSIX_SET(n) \
2013	STMT_START { \
2014	PL_statusvalue = (n); \
2015	if (PL_statusvalue != -1) { \
2016	PL_statusvalue &= 0xFFFF; \
2017	PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
2018	} \
2019	else PL_statusvalue_vms = -1; \
2020	} STMT_END
2021	# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2022	# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
2023	#else
2024	# define STATUS_NATIVE STATUS_POSIX
2025	# define STATUS_NATIVE_EXPORT STATUS_POSIX
2026	# define STATUS_NATIVE_SET STATUS_POSIX_SET
2027	# define STATUS_POSIX PL_statusvalue
2028	# define STATUS_POSIX_SET(n) \
2029	STMT_START { \
2030	PL_statusvalue = (n); \
2031	if (PL_statusvalue != -1) \
2032	PL_statusvalue &= 0xFFFF; \
2033	} STMT_END
2034	# define STATUS_CURRENT STATUS_POSIX
2035	# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2036	# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
2037	#endif
2038
2039	/* flags in PL_exit_flags for nature of exit() */
2040	#define PERL_EXIT_EXPECTED 0x01
2041	#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
2042
2043	#ifndef MEMBER_TO_FPTR
2044	# define MEMBER_TO_FPTR(name) name
2045	#endif
2046
2047	/* format to use for version numbers in file/directory names */
2048	/* XXX move to Configure? */
2049	#ifndef PERL_FS_VER_FMT
2050	# define PERL_FS_VER_FMT "%d.%d.%d"
2051	#endif
2052
2053	/* This defines a way to flush all output buffers. This may be a
2054	* performance issue, so we allow people to disable it. Also, if
2055	* we are using stdio, there are broken implementations of fflush(NULL)
2056	* out there, Solaris being the most prominent.
2057	*/
2058	#ifndef PERL_FLUSHALL_FOR_CHILD
2059	# if defined(USE_PERLIO) \|\| defined(FFLUSH_NULL) \|\| defined(USE_SFIO)
2060	# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
2061	# else
2062	# ifdef FFLUSH_ALL
2063	# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
2064	# else
2065	# define PERL_FLUSHALL_FOR_CHILD NOOP
2066	# endif
2067	# endif
2068	#endif
2069
2070	#ifndef PERL_WAIT_FOR_CHILDREN
2071	# define PERL_WAIT_FOR_CHILDREN NOOP
2072	#endif
2073
2074	/* the traditional thread-unsafe notion of "current interpreter". */
2075	#ifndef PERL_SET_INTERP
2076	# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2077	#endif
2078
2079	#ifndef PERL_GET_INTERP
2080	# define PERL_GET_INTERP (PL_curinterp)
2081	#endif
2082
2083	#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
2084	# ifdef USE_5005THREADS
2085	# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
2086	# else
2087	# ifdef MULTIPLICITY
2088	# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
2089	# endif
2090	# endif
2091	# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2092	#endif
2093
2094	#ifndef SVf
2095	# ifdef CHECK_FORMAT
2096	# define SVf "p"
2097	# else
2098	# define SVf "_"
2099	# endif
2100	#endif
2101
2102	#ifndef UVf
2103	# ifdef CHECK_FORMAT
2104	# define UVf UVuf
2105	# else
2106	# define UVf "Vu"
2107	# endif
2108	#endif
2109
2110	#ifndef VDf
2111	# ifdef CHECK_FORMAT
2112	# define VDf "p"
2113	# else
2114	# define VDf "vd"
2115	# endif
2116	#endif
2117
2118	#ifndef Nullformat
2119	# ifdef CHECK_FORMAT
2120	# define Nullformat "%s",""
2121	# else
2122	# define Nullformat Nullch
2123	# endif
2124	#endif
2125
2126	/* Some unistd.h's give a prototype for pause() even though
2127	HAS_PAUSE ends up undefined. This causes the #define
2128	below to be rejected by the compiler. Sigh.
2129	*/
2130	#ifdef HAS_PAUSE
2131	#define Pause pause
2132	#else
2133	#define Pause() sleep((32767<<16)+32767)
2134	#endif
2135
2136	#ifndef IOCPARM_LEN
2137	# ifdef IOCPARM_MASK
2138	/* on BSDish systes we're safe */
2139	# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2140	# else
2141	/* otherwise guess at what's safe */
2142	# define IOCPARM_LEN(x) 256
2143	# endif
2144	#endif
2145
2146	#if defined(__CYGWIN__)
2147	/* USEMYBINMODE
2148	* This symbol, if defined, indicates that the program should
2149	* use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
2150	* that a file is in "binary" mode -- that is, that no translation
2151	* of bytes occurs on read or write operations.
2152	*/
2153	# define USEMYBINMODE / **/
2154	# define my_binmode(fp, iotype, mode) \
2155	(PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
2156	#endif
2157
2158	#ifdef UNION_ANY_DEFINITION
2159	UNION_ANY_DEFINITION;
2160	#else
2161	union any {
2162	void* any_ptr;
2163	I32 any_i32;
2164	IV any_iv;
2165	long any_long;
2166	void (any_dptr) (void);
2167	void (any_dxptr) (pTHX_ void);
2168	};
2169	#endif
2170
2171	#ifdef USE_5005THREADS
2172	#define ARGSproto struct perl_thread *thr
2173	#else
2174	#define ARGSproto
2175	#endif /* USE_5005THREADS */
2176
2177	typedef I32 (filter_t) (pTHX_ int, SV , int);
2178
2179	#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2180	#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2181	#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2182
2183	#if defined(_AIX) && !defined(_AIX43)
2184	#if defined(USE_REENTRANT) \|\| defined(_REENTRANT) \|\| defined(_THREAD_SAFE)
2185	/* We cannot include <crypt.h> to get the struct crypt_data
2186	* because of setkey prototype problems when threading */
2187	typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2188	/* From OSF, Not needed in AIX
2189	char C[28], D[28];
2190	*/
2191	char E[48];
2192	char KS[16][48];
2193	char block[66];
2194	char iobuf[16];
2195	} CRYPTD;
2196	#endif /* threading */
2197	#endif /* AIX */
2198
2199	#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2200	# include "iperlsys.h"
2201	#endif
2202	#include "regexp.h"
2203	#include "sv.h"
2204	#include "util.h"
2205	#include "form.h"
2206	#include "gv.h"
2207	#include "cv.h"
2208	#include "opnames.h"
2209	#include "op.h"
2210	#include "cop.h"
2211	#include "av.h"
2212	#include "hv.h"
2213	#include "mg.h"
2214	#include "scope.h"
2215	#include "warnings.h"
2216	#include "utf8.h"
2217
2218	/* Current curly descriptor */
2219	typedef struct curcur CURCUR;
2220	struct curcur {
2221	int parenfloor; /* how far back to strip paren data */
2222	int cur; /* how many instances of scan we've matched */
2223	int min; /* the minimal number of scans to match */
2224	int max; /* the maximal number of scans to match */
2225	int minmod; /* whether to work our way up or down */
2226	regnode * scan; /* the thing to match */
2227	regnode * next; /* what has to match after it */
2228	char * lastloc; /* where we started matching this scan */
2229	CURCUR * oldcc; /* current curly before we started this one */
2230	};
2231
2232	typedef struct _sublex_info SUBLEXINFO;
2233	struct _sublex_info {
2234	I32 super_state; /* lexer state to save */
2235	I32 sub_inwhat; /* "lex_inwhat" to use */
2236	OP sub_op; / "lex_op" to use */
2237	char super_bufptr; / PL_bufptr that was */
2238	char super_bufend; / PL_bufend that was */
2239	};
2240
2241	typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
2242
2243	struct scan_data_t; /* Used in S_* functions in regcomp.c */
2244	struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
2245
2246	typedef I32 CHECKPOINT;
2247
2248	struct ptr_tbl_ent {
2249	struct ptr_tbl_ent* next;
2250	void* oldval;
2251	void* newval;
2252	};
2253
2254	struct ptr_tbl {
2255	struct ptr_tbl_ent** tbl_ary;
2256	UV tbl_max;
2257	UV tbl_items;
2258	};
2259
2260	#if defined(iAPX286) \|\| defined(M_I286) \|\| defined(I80286)
2261	# define I286
2262	#endif
2263
2264	#if defined(htonl) && !defined(HAS_HTONL)
2265	#define HAS_HTONL
2266	#endif
2267	#if defined(htons) && !defined(HAS_HTONS)
2268	#define HAS_HTONS
2269	#endif
2270	#if defined(ntohl) && !defined(HAS_NTOHL)
2271	#define HAS_NTOHL
2272	#endif
2273	#if defined(ntohs) && !defined(HAS_NTOHS)
2274	#define HAS_NTOHS
2275	#endif
2276	#ifndef HAS_HTONL
2277	#if (BYTEORDER & 0xffff) != 0x4321
2278	#define HAS_HTONS
2279	#define HAS_HTONL
2280	#define HAS_NTOHS
2281	#define HAS_NTOHL
2282	#define MYSWAP
2283	#define htons my_swap
2284	#define htonl my_htonl
2285	#define ntohs my_swap
2286	#define ntohl my_ntohl
2287	#endif
2288	#else
2289	#if (BYTEORDER & 0xffff) == 0x4321
2290	#undef HAS_HTONS
2291	#undef HAS_HTONL
2292	#undef HAS_NTOHS
2293	#undef HAS_NTOHL
2294	#endif
2295	#endif
2296
2297	/*
2298	* Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2299	* -DWS
2300	*/
2301	#if BYTEORDER != 0x1234
2302	# define HAS_VTOHL
2303	# define HAS_VTOHS
2304	# define HAS_HTOVL
2305	# define HAS_HTOVS
2306	# if BYTEORDER == 0x4321 \|\| BYTEORDER == 0x87654321
2307	# define vtohl(x) ((((x)&0xFF)<<24) \
2308	+(((x)>>24)&0xFF) \
2309	+(((x)&0x0000FF00)<<8) \
2310	+(((x)&0x00FF0000)>>8) )
2311	# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2312	# define htovl(x) vtohl(x)
2313	# define htovs(x) vtohs(x)
2314	# endif
2315	/* otherwise default to functions in util.c */
2316	#ifndef htovs
2317	short htovs(short n);
2318	short vtohs(short n);
2319	long htovl(long n);
2320	long vtohl(long n);
2321	#endif
2322	#endif
2323
2324	/* *MAX Plus 1. A floating point value.
2325	Hopefully expressed in a way that dodgy floating point can't mess up.
2326	>> 2 rather than 1, so that value is safely less than I32_MAX after 1
2327	is added to it
2328	May find that some broken compiler will want the value cast to I32.
2329	[after the shift, as signed >> may not be as secure as unsigned >>]
2330	*/
2331	#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2332	#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2333	/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2334	0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2335	may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2336	*/
2337	#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
2338
2339	#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2340	#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2341	#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2342
2343	/* This may look like unnecessary jumping through hoops, but converting
2344	out of range floating point values to integers is undefined behaviour,
2345	and it is starting to bite.
2346	*/
2347	#ifndef CAST_INLINE
2348	#define I_32(what) (cast_i32((NV)(what)))
2349	#define U_32(what) (cast_ulong((NV)(what)))
2350	#define I_V(what) (cast_iv((NV)(what)))
2351	#define U_V(what) (cast_uv((NV)(what)))
2352	#else
2353	#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2354	: ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2355	: ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2356	#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2357	: ((n) < U32_MAX_P1 ? (U32) (n) \
2358	: ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2359	#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2360	: ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2361	: ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2362	#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2363	: ((n) < UV_MAX_P1 ? (UV) (n) \
2364	: ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2365	#endif
2366
2367	#define U_S(what) ((U16)U_32(what))
2368	#define U_I(what) ((unsigned int)U_32(what))
2369	#define U_L(what) U_32(what)
2370
2371	/* These do not care about the fractional part, only about the range. */
2372	#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
2373	#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2374
2375	/* Used with UV/IV arguments: */
2376	/* XXXX: need to speed it up */
2377	#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2378	#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2379
2380	#ifndef MAXSYSFD
2381	# define MAXSYSFD 2
2382	#endif
2383
2384	#ifndef __cplusplus
2385	#ifndef UNDER_CE
2386	Uid_t getuid (void);
2387	Uid_t geteuid (void);
2388	Gid_t getgid (void);
2389	Gid_t getegid (void);
2390	#endif
2391	#endif
2392
2393	#ifndef Perl_debug_log
2394	# define Perl_debug_log PerlIO_stderr()
2395	#endif
2396
2397	#ifndef Perl_error_log
2398	# define Perl_error_log (PL_stderrgv \
2399	&& GvIOp(PL_stderrgv) \
2400	&& IoOFP(GvIOp(PL_stderrgv)) \
2401	? IoOFP(GvIOp(PL_stderrgv)) \
2402	: PerlIO_stderr())
2403	#endif
2404
2405
2406	#define DEBUG_p_FLAG 0x00000001 /* 1 */
2407	#define DEBUG_s_FLAG 0x00000002 /* 2 */
2408	#define DEBUG_l_FLAG 0x00000004 /* 4 */
2409	#define DEBUG_t_FLAG 0x00000008 /* 8 */
2410	#define DEBUG_o_FLAG 0x00000010 /* 16 */
2411	#define DEBUG_c_FLAG 0x00000020 /* 32 */
2412	#define DEBUG_P_FLAG 0x00000040 /* 64 */
2413	#define DEBUG_m_FLAG 0x00000080 /* 128 */
2414	#define DEBUG_f_FLAG 0x00000100 /* 256 */
2415	#define DEBUG_r_FLAG 0x00000200 /* 512 */
2416	#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2417	#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2418	#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2419	#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2420	#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2421	#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2422	#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2423	#define DEBUG_T_FLAG 0x00020000 /* 131072 */
2424	#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2425	#define DEBUG_J_FLAG 0x00080000 /* 524288 */
2426	#define DEBUG_MASK 0x000FFFFF /* mask of all the standard flags */
2427
2428	#define DEBUG_DB_RECURSE_FLAG 0x40000000
2429	#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2430	that something was done? */
2431
2432	# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2433	# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2434	# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2435	# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2436	# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2437	# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2438	# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2439	# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2440	# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2441	# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2442	# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2443	# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2444	# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2445	# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2446	# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2447	# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2448	# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2449	# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2450	# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
2451	# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
2452
2453	#ifdef DEBUGGING
2454
2455	# undef YYDEBUG
2456	# define YYDEBUG 1
2457
2458	# define DEBUG_p_TEST DEBUG_p_TEST_
2459	# define DEBUG_s_TEST DEBUG_s_TEST_
2460	# define DEBUG_l_TEST DEBUG_l_TEST_
2461	# define DEBUG_t_TEST DEBUG_t_TEST_
2462	# define DEBUG_o_TEST DEBUG_o_TEST_
2463	# define DEBUG_c_TEST DEBUG_c_TEST_
2464	# define DEBUG_P_TEST DEBUG_P_TEST_
2465	# define DEBUG_m_TEST DEBUG_m_TEST_
2466	# define DEBUG_f_TEST DEBUG_f_TEST_
2467	# define DEBUG_r_TEST DEBUG_r_TEST_
2468	# define DEBUG_x_TEST DEBUG_x_TEST_
2469	# define DEBUG_u_TEST DEBUG_u_TEST_
2470	# define DEBUG_L_TEST DEBUG_L_TEST_
2471	# define DEBUG_H_TEST DEBUG_H_TEST_
2472	# define DEBUG_X_TEST DEBUG_X_TEST_
2473	# define DEBUG_D_TEST DEBUG_D_TEST_
2474	# define DEBUG_S_TEST DEBUG_S_TEST_
2475	# define DEBUG_T_TEST DEBUG_T_TEST_
2476	# define DEBUG_R_TEST DEBUG_R_TEST_
2477	# define DEBUG_J_TEST DEBUG_J_TEST_
2478
2479	# define DEB(a) a
2480	# define DEBUG(a) if (PL_debug) a
2481	# define DEBUG_p(a) if (DEBUG_p_TEST) a
2482	# define DEBUG_s(a) if (DEBUG_s_TEST) a
2483	# define DEBUG_l(a) if (DEBUG_l_TEST) a
2484	# define DEBUG_t(a) if (DEBUG_t_TEST) a
2485	# define DEBUG_o(a) if (DEBUG_o_TEST) a
2486	# define DEBUG_c(a) if (DEBUG_c_TEST) a
2487	# define DEBUG_P(a) if (DEBUG_P_TEST) a
2488
2489	/* Temporarily turn off memory debugging in case the a
2490	* does memory allocation, either directly or indirectly. */
2491	# define DEBUG_m(a) \
2492	STMT_START { \
2493	if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug\|=DEBUG_m_FLAG;} } \
2494	} STMT_END
2495
2496	# define DEBUG__(t, a) \
2497	STMT_START { \
2498	if (t) STMT_START {a;} STMT_END; \
2499	} STMT_END
2500
2501	# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2502	# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2503	# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2504	# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2505	# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2506	# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2507	# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2508	# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
2509
2510	# ifdef USE_5005THREADS
2511	# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
2512	# else
2513	# define DEBUG_S(a)
2514	# endif
2515
2516	# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2517	# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
2518
2519	#else /* DEBUGGING */
2520
2521	# define DEBUG_p_TEST (0)
2522	# define DEBUG_s_TEST (0)
2523	# define DEBUG_l_TEST (0)
2524	# define DEBUG_t_TEST (0)
2525	# define DEBUG_o_TEST (0)
2526	# define DEBUG_c_TEST (0)
2527	# define DEBUG_P_TEST (0)
2528	# define DEBUG_m_TEST (0)
2529	# define DEBUG_f_TEST (0)
2530	# define DEBUG_r_TEST (0)
2531	# define DEBUG_x_TEST (0)
2532	# define DEBUG_u_TEST (0)
2533	# define DEBUG_L_TEST (0)
2534	# define DEBUG_H_TEST (0)
2535	# define DEBUG_X_TEST (0)
2536	# define DEBUG_D_TEST (0)
2537	# define DEBUG_S_TEST (0)
2538	# define DEBUG_T_TEST (0)
2539	# define DEBUG_R_TEST (0)
2540	# define DEBUG_J_TEST (0)
2541
2542	# define DEB(a)
2543	# define DEBUG(a)
2544	# define DEBUG_p(a)
2545	# define DEBUG_s(a)
2546	# define DEBUG_l(a)
2547	# define DEBUG_t(a)
2548	# define DEBUG_o(a)
2549	# define DEBUG_c(a)
2550	# define DEBUG_P(a)
2551	# define DEBUG_m(a)
2552	# define DEBUG_f(a)
2553	# define DEBUG_r(a)
2554	# define DEBUG_x(a)
2555	# define DEBUG_u(a)
2556	# define DEBUG_L(a)
2557	# define DEBUG_H(a)
2558	# define DEBUG_X(a)
2559	# define DEBUG_D(a)
2560	# define DEBUG_S(a)
2561	# define DEBUG_T(a)
2562	# define DEBUG_R(a)
2563	#endif /* DEBUGGING */
2564
2565
2566	/* These constants should be used in preference to raw characters
2567	* when using magic. Note that some perl guts still assume
2568	* certain character properties of these constants, namely that
2569	* isUPPER() and toLOWER() may do useful mappings.
2570	*
2571	* Update the magic_names table in dump.c when adding/amending these
2572	*/
2573
2574	#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2575	#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2576	#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2577	#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2578	#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2579	#define PERL_MAGIC_regdata 'D' /* Regex match position data
2580	(@+ and @- vars) */
2581	#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2582	#define PERL_MAGIC_env 'E' /* %ENV hash */
2583	#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2584	#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2585	#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2586	#define PERL_MAGIC_isa 'I' /* @ISA array */
2587	#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2588	#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2589	#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2590	#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2591	#define PERL_MAGIC_mutex 'm' /* for lock op */
2592	#define PERL_MAGIC_shared 'N' /* Shared between threads */
2593	#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
2594	#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2595	#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2596	#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2597	#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2598	#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2599	#define PERL_MAGIC_sig 'S' /* %SIG hash */
2600	#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2601	#define PERL_MAGIC_taint 't' /* Taintedness */
2602	#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2603	#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
2604	#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2605	#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2606	#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2607	smart parameter vivification */
2608	#define PERL_MAGIC_glob '' / GV (typeglob) */
2609	#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2610	#define PERL_MAGIC_pos '.' /* pos() lvalue */
2611	#define PERL_MAGIC_backref '<' /* for weak ref data */
2612	#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2613
2614
2615	#define YYMAXDEPTH 300
2616
2617	#ifndef assert /* <assert.h> might have been included somehow */
2618	#ifdef DEBUGGING
2619	#define assert(what) DEB( { \
2620	if (!(what)) { \
2621	Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2622	__FILE__, __LINE__); \
2623	PerlProc_exit(1); \
2624	}})
2625	#else
2626	#define assert(what) DEB( { \
2627	if (!(what)) { \
2628	Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
2629	__FILE__, __LINE__); \
2630	PerlProc_exit(1); \
2631	}})
2632	#endif
2633	#endif
2634
2635	struct ufuncs {
2636	I32 (uf_val)(pTHX_ IV, SV);
2637	I32 (uf_set)(pTHX_ IV, SV);
2638	IV uf_index;
2639	};
2640
2641	/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
2642	* XS code wanting to be backward compatible can do something
2643	* like the following:
2644
2645	#ifndef PERL_MG_UFUNC
2646	#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2647	#endif
2648
2649	static PERL_MG_UFUNC(foo_get, index, val)
2650	{
2651	sv_setsv(val, ...);
2652	return TRUE;
2653	}
2654
2655	-- Doug MacEachern
2656
2657	*/
2658
2659	#ifndef PERL_MG_UFUNC
2660	#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
2661	#endif
2662
2663	/* Fix these up for __STDC__ */
2664	#ifndef DONT_DECLARE_STD
2665	char mktemp (char);
2666	#ifndef atof
2667	double atof (const char*);
2668	#endif
2669	#endif
2670
2671	#ifndef STANDARD_C
2672	/* All of these are in stdlib.h or time.h for ANSI C */
2673	Time_t time();
2674	struct tm gmtime(), localtime();
2675	#if defined(OEMVS) \|\| defined(__OPEN_VM)
2676	char (strchr)(), (strrchr)();
2677	char (strcpy)(), (strcat)();
2678	#else
2679	char strchr(), strrchr();
2680	char strcpy(), strcat();
2681	#endif
2682	#endif /* ! STANDARD_C */
2683
2684
2685	#ifdef I_MATH
2686	# include <math.h>
2687	#else
2688	START_EXTERN_C
2689	double exp (double);
2690	double log (double);
2691	double log10 (double);
2692	double sqrt (double);
2693	double frexp (double,int*);
2694	double ldexp (double,int);
2695	double modf (double,double*);
2696	double sin (double);
2697	double cos (double);
2698	double atan2 (double,double);
2699	double pow (double,double);
2700	END_EXTERN_C
2701	#endif
2702
2703	#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2704	# define NV_INF LDBL_INFINITY
2705	#endif
2706	#if !defined(NV_INF) && defined(DBL_INFINITY)
2707	# define NV_INF (NV)DBL_INFINITY
2708	#endif
2709	#if !defined(NV_INF) && defined(INFINITY)
2710	# define NV_INF (NV)INFINITY
2711	#endif
2712	#if !defined(NV_INF) && defined(INF)
2713	# define NV_INF (NV)INF
2714	#endif
2715	#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2716	# define NV_INF (NV)HUGE_VALL
2717	#endif
2718	#if !defined(NV_INF) && defined(HUGE_VAL)
2719	# define NV_INF (NV)HUGE_VAL
2720	#endif
2721
2722	#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2723	# if !defined(NV_NAN) && defined(LDBL_NAN)
2724	# define NV_NAN LDBL_NAN
2725	# endif
2726	# if !defined(NV_NAN) && defined(LDBL_QNAN)
2727	# define NV_NAN LDBL_QNAN
2728	# endif
2729	# if !defined(NV_NAN) && defined(LDBL_SNAN)
2730	# define NV_NAN LDBL_SNAN
2731	# endif
2732	#endif
2733	#if !defined(NV_NAN) && defined(DBL_NAN)
2734	# define NV_NAN (NV)DBL_NAN
2735	#endif
2736	#if !defined(NV_NAN) && defined(DBL_QNAN)
2737	# define NV_NAN (NV)DBL_QNAN
2738	#endif
2739	#if !defined(NV_NAN) && defined(DBL_SNAN)
2740	# define NV_NAN (NV)DBL_SNAN
2741	#endif
2742	#if !defined(NV_NAN) && defined(QNAN)
2743	# define NV_NAN (NV)QNAN
2744	#endif
2745	#if !defined(NV_NAN) && defined(SNAN)
2746	# define NV_NAN (NV)SNAN
2747	#endif
2748	#if !defined(NV_NAN) && defined(NAN)
2749	# define NV_NAN (NV)NAN
2750	#endif
2751
2752	#ifndef __cplusplus
2753	# if defined(NeXT) \|\| defined(__NeXT__) /* or whatever catches all NeXTs */
2754	char crypt (); / Maybe more hosts will need the unprototyped version */
2755	# else
2756	# if !defined(WIN32) && !defined(VMS)
2757	#ifndef crypt
2758	char crypt (const char, const char*);
2759	#endif
2760	# endif /* !WIN32 */
2761	# endif /* !NeXT && !__NeXT__ */
2762	# ifndef DONT_DECLARE_STD
2763	# ifndef getenv
2764	char getenv (const char);
2765	# endif /* !getenv */
2766	# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
2767	# ifdef _FILE_OFFSET_BITS
2768	# if _FILE_OFFSET_BITS == 64
2769	Off_t lseek (int,Off_t,int);
2770	# endif
2771	# endif
2772	# endif
2773	# endif /* !DONT_DECLARE_STD */
2774	#ifndef getlogin
2775	char *getlogin (void);
2776	#endif
2777	#endif /* !__cplusplus */
2778
2779	#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
2780	#define UNLINK unlnk
2781	I32 unlnk (char*);
2782	#else
2783	#define UNLINK PerlLIO_unlink
2784	#endif
2785
2786	/* some versions of glibc are missing the setresuid() proto */
2787	#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
2788	int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2789	#endif
2790	/* some versions of glibc are missing the setresgid() proto */
2791	#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
2792	int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2793	#endif
2794
2795	#ifndef HAS_SETREUID
2796	# ifdef HAS_SETRESUID
2797	# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2798	# define HAS_SETREUID
2799	# endif
2800	#endif
2801	#ifndef HAS_SETREGID
2802	# ifdef HAS_SETRESGID
2803	# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2804	# define HAS_SETREGID
2805	# endif
2806	#endif
2807
2808	/* Sighandler_t defined in iperlsys.h */
2809
2810	#ifdef HAS_SIGACTION
2811	typedef struct sigaction Sigsave_t;
2812	#else
2813	typedef Sighandler_t Sigsave_t;
2814	#endif
2815
2816	#define SCAN_DEF 0
2817	#define SCAN_TR 1
2818	#define SCAN_REPL 2
2819
2820	#ifdef DEBUGGING
2821	# ifndef register
2822	# define register
2823	# endif
2824	# define PAD_SV(po) pad_sv(po)
2825	# define RUNOPS_DEFAULT Perl_runops_debug
2826	#else
2827	# define PAD_SV(po) PL_curpad[po]
2828	# define RUNOPS_DEFAULT Perl_runops_standard
2829	#endif
2830
2831	#ifdef MYMALLOC
2832	# ifdef MUTEX_INIT_CALLS_MALLOC
2833	# define MALLOC_INIT \
2834	STMT_START { \
2835	PL_malloc_mutex = NULL; \
2836	MUTEX_INIT(&PL_malloc_mutex); \
2837	} STMT_END
2838	# define MALLOC_TERM \
2839	STMT_START { \
2840	perl_mutex tmp = PL_malloc_mutex; \
2841	PL_malloc_mutex = NULL; \
2842	MUTEX_DESTROY(&tmp); \
2843	} STMT_END
2844	# else
2845	# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2846	# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2847	# endif
2848	#else
2849	# define MALLOC_INIT
2850	# define MALLOC_TERM
2851	#endif
2852
2853
2854	typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2855	typedef void (CPERLscope(share_proc_t)) (pTHX_ SV sv);
2856	typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
2857	typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
2858
2859	/* _ (for $_) must be first in the following list (DEFSV requires it) */
2860	#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=\|~:\001\005!@"
2861
2862	/* NeXT has problems with crt0.o globals */
2863	#if defined(__DYNAMIC__) && \
2864	(defined(NeXT) \|\| defined(__NeXT__) \|\| defined(__APPLE__))
2865	# if defined(NeXT) \|\| defined(__NeXT)
2866	# include <mach-o/dyld.h>
2867	# define environ (*environ_pointer)
2868	EXT char *** environ_pointer;
2869	# else
2870	# if defined(__APPLE__) && defined(PERL_CORE)
2871	# include <crt_externs.h> /* for the env array */
2872	# define environ (*_NSGetEnviron())
2873	# endif
2874	# endif
2875	#else
2876	/* VMS and some other platforms don't use the environ array */
2877	# ifdef USE_ENVIRON_ARRAY
2878	# if !defined(DONT_DECLARE_STD) \|\| \
2879	(defined(__svr4__) && defined(__GNUC__) && defined(sun)) \|\| \
2880	defined(__sgi) \|\| \
2881	defined(__DGUX)
2882	extern char ** environ; /* environment variables supplied via exec */
2883	# endif
2884	# endif
2885	#endif
2886
2887	START_EXTERN_C
2888
2889	/* handy constants */
2890	EXTCONST char PL_warn_uninit[]
2891	INIT("Use of uninitialized value%s%s");
2892	EXTCONST char PL_warn_nosemi[]
2893	INIT("Semicolon seems to be missing");
2894	EXTCONST char PL_warn_reserved[]
2895	INIT("Unquoted string \"%s\" may clash with future reserved word");
2896	EXTCONST char PL_warn_nl[]
2897	INIT("Unsuccessful %s on filename containing newline");
2898	EXTCONST char PL_no_wrongref[]
2899	INIT("Can't use %s ref as %s ref");
2900	EXTCONST char PL_no_symref[]
2901	INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
2902	EXTCONST char PL_no_usym[]
2903	INIT("Can't use an undefined value as %s reference");
2904	EXTCONST char PL_no_aelem[]
2905	INIT("Modification of non-creatable array value attempted, subscript %d");
2906	EXTCONST char PL_no_helem[]
2907	INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
2908	EXTCONST char PL_no_modify[]
2909	INIT("Modification of a read-only value attempted");
2910	EXTCONST char PL_no_mem[]
2911	INIT("Out of memory!\n");
2912	EXTCONST char PL_no_security[]
2913	INIT("Insecure dependency in %s%s");
2914	EXTCONST char PL_no_sock_func[]
2915	INIT("Unsupported socket function \"%s\" called");
2916	EXTCONST char PL_no_dir_func[]
2917	INIT("Unsupported directory function \"%s\" called");
2918	EXTCONST char PL_no_func[]
2919	INIT("The %s function is unimplemented");
2920	EXTCONST char PL_no_myglob[]
2921	INIT("\"my\" variable %s can't be in a package");
2922
2923	EXTCONST char PL_uuemap[65]
2924	INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2925
2926
2927	#ifdef DOINIT
2928	EXT char *PL_sig_name[] = { SIG_NAME };
2929	EXT int PL_sig_num[] = { SIG_NUM };
2930	#else
2931	EXT char *PL_sig_name[];
2932	EXT int PL_sig_num[];
2933	#endif
2934
2935	/* fast conversion and case folding tables */
2936
2937	#ifdef DOINIT
2938	#ifdef EBCDIC
2939	EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
2940	0, 1, 2, 3, 4, 5, 6, 7,
2941	8, 9, 10, 11, 12, 13, 14, 15,
2942	16, 17, 18, 19, 20, 21, 22, 23,
2943	24, 25, 26, 27, 28, 29, 30, 31,
2944	32, 33, 34, 35, 36, 37, 38, 39,
2945	40, 41, 42, 43, 44, 45, 46, 47,
2946	48, 49, 50, 51, 52, 53, 54, 55,
2947	56, 57, 58, 59, 60, 61, 62, 63,
2948	64, 65, 66, 67, 68, 69, 70, 71,
2949	72, 73, 74, 75, 76, 77, 78, 79,
2950	80, 81, 82, 83, 84, 85, 86, 87,
2951	88, 89, 90, 91, 92, 93, 94, 95,
2952	96, 97, 98, 99, 100, 101, 102, 103,
2953	104, 105, 106, 107, 108, 109, 110, 111,
2954	112, 113, 114, 115, 116, 117, 118, 119,
2955	120, 121, 122, 123, 124, 125, 126, 127,
2956	128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2957	'H', 'I', 138, 139, 140, 141, 142, 143,
2958	144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2959	'Q', 'R', 154, 155, 156, 157, 158, 159,
2960	160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2961	'Y', 'Z', 170, 171, 172, 173, 174, 175,
2962	176, 177, 178, 179, 180, 181, 182, 183,
2963	184, 185, 186, 187, 188, 189, 190, 191,
2964	192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2965	'h', 'i', 202, 203, 204, 205, 206, 207,
2966	208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2967	'q', 'r', 218, 219, 220, 221, 222, 223,
2968	224, 225, 's', 't', 'u', 'v', 'w', 'x',
2969	'y', 'z', 234, 235, 236, 237, 238, 239,
2970	240, 241, 242, 243, 244, 245, 246, 247,
2971	248, 249, 250, 251, 252, 253, 254, 255
2972	};
2973	#else /* ascii rather than ebcdic */
2974	EXTCONST unsigned char PL_fold[] = {
2975	0, 1, 2, 3, 4, 5, 6, 7,
2976	8, 9, 10, 11, 12, 13, 14, 15,
2977	16, 17, 18, 19, 20, 21, 22, 23,
2978	24, 25, 26, 27, 28, 29, 30, 31,
2979	32, 33, 34, 35, 36, 37, 38, 39,
2980	40, 41, 42, 43, 44, 45, 46, 47,
2981	48, 49, 50, 51, 52, 53, 54, 55,
2982	56, 57, 58, 59, 60, 61, 62, 63,
2983	64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2984	'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2985	'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2986	'x', 'y', 'z', 91, 92, 93, 94, 95,
2987	96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2988	'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2989	'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2990	'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2991	128, 129, 130, 131, 132, 133, 134, 135,
2992	136, 137, 138, 139, 140, 141, 142, 143,
2993	144, 145, 146, 147, 148, 149, 150, 151,
2994	152, 153, 154, 155, 156, 157, 158, 159,
2995	160, 161, 162, 163, 164, 165, 166, 167,
2996	168, 169, 170, 171, 172, 173, 174, 175,
2997	176, 177, 178, 179, 180, 181, 182, 183,
2998	184, 185, 186, 187, 188, 189, 190, 191,
2999	192, 193, 194, 195, 196, 197, 198, 199,
3000	200, 201, 202, 203, 204, 205, 206, 207,
3001	208, 209, 210, 211, 212, 213, 214, 215,
3002	216, 217, 218, 219, 220, 221, 222, 223,
3003	224, 225, 226, 227, 228, 229, 230, 231,
3004	232, 233, 234, 235, 236, 237, 238, 239,
3005	240, 241, 242, 243, 244, 245, 246, 247,
3006	248, 249, 250, 251, 252, 253, 254, 255
3007	};
3008	#endif /* !EBCDIC */
3009	#else
3010	EXTCONST unsigned char PL_fold[];
3011	#endif
3012
3013	#ifdef DOINIT
3014	EXT unsigned char PL_fold_locale[] = {
3015	0, 1, 2, 3, 4, 5, 6, 7,
3016	8, 9, 10, 11, 12, 13, 14, 15,
3017	16, 17, 18, 19, 20, 21, 22, 23,
3018	24, 25, 26, 27, 28, 29, 30, 31,
3019	32, 33, 34, 35, 36, 37, 38, 39,
3020	40, 41, 42, 43, 44, 45, 46, 47,
3021	48, 49, 50, 51, 52, 53, 54, 55,
3022	56, 57, 58, 59, 60, 61, 62, 63,
3023	64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3024	'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3025	'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3026	'x', 'y', 'z', 91, 92, 93, 94, 95,
3027	96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3028	'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3029	'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3030	'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3031	128, 129, 130, 131, 132, 133, 134, 135,
3032	136, 137, 138, 139, 140, 141, 142, 143,
3033	144, 145, 146, 147, 148, 149, 150, 151,
3034	152, 153, 154, 155, 156, 157, 158, 159,
3035	160, 161, 162, 163, 164, 165, 166, 167,
3036	168, 169, 170, 171, 172, 173, 174, 175,
3037	176, 177, 178, 179, 180, 181, 182, 183,
3038	184, 185, 186, 187, 188, 189, 190, 191,
3039	192, 193, 194, 195, 196, 197, 198, 199,
3040	200, 201, 202, 203, 204, 205, 206, 207,
3041	208, 209, 210, 211, 212, 213, 214, 215,
3042	216, 217, 218, 219, 220, 221, 222, 223,
3043	224, 225, 226, 227, 228, 229, 230, 231,
3044	232, 233, 234, 235, 236, 237, 238, 239,
3045	240, 241, 242, 243, 244, 245, 246, 247,
3046	248, 249, 250, 251, 252, 253, 254, 255
3047	};
3048	#else
3049	EXT unsigned char PL_fold_locale[];
3050	#endif
3051
3052	#ifdef DOINIT
3053	#ifdef EBCDIC
3054	EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
3055	1, 2, 84, 151, 154, 155, 156, 157,
3056	165, 246, 250, 3, 158, 7, 18, 29,
3057	40, 51, 62, 73, 85, 96, 107, 118,
3058	129, 140, 147, 148, 149, 150, 152, 153,
3059	255, 6, 8, 9, 10, 11, 12, 13,
3060	14, 15, 24, 25, 26, 27, 28, 226,
3061	29, 30, 31, 32, 33, 43, 44, 45,
3062	46, 47, 48, 49, 50, 76, 77, 78,
3063	79, 80, 81, 82, 83, 84, 85, 86,
3064	87, 94, 95, 234, 181, 233, 187, 190,
3065	180, 96, 97, 98, 99, 100, 101, 102,
3066	104, 112, 182, 174, 236, 232, 229, 103,
3067	228, 226, 114, 115, 116, 117, 118, 119,
3068	120, 121, 122, 235, 176, 230, 194, 162,
3069	130, 131, 132, 133, 134, 135, 136, 137,
3070	138, 139, 201, 205, 163, 217, 220, 224,
3071	5, 248, 227, 244, 242, 255, 241, 231,
3072	240, 253, 16, 197, 19, 20, 21, 187,
3073	23, 169, 210, 245, 237, 249, 247, 239,
3074	168, 252, 34, 196, 36, 37, 38, 39,
3075	41, 42, 251, 254, 238, 223, 221, 213,
3076	225, 177, 52, 53, 54, 55, 56, 57,
3077	58, 59, 60, 61, 63, 64, 65, 66,
3078	67, 68, 69, 70, 71, 72, 74, 75,
3079	205, 208, 186, 202, 200, 218, 198, 179,
3080	178, 214, 88, 89, 90, 91, 92, 93,
3081	217, 166, 170, 207, 199, 209, 206, 204,
3082	160, 212, 105, 106, 108, 109, 110, 111,
3083	203, 113, 216, 215, 192, 175, 193, 243,
3084	172, 161, 123, 124, 125, 126, 127, 128,
3085	222, 219, 211, 195, 188, 193, 185, 184,
3086	191, 183, 141, 142, 143, 144, 145, 146
3087	};
3088	#else /* ascii rather than ebcdic */
3089	EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
3090	1, 2, 84, 151, 154, 155, 156, 157,
3091	165, 246, 250, 3, 158, 7, 18, 29,
3092	40, 51, 62, 73, 85, 96, 107, 118,
3093	129, 140, 147, 148, 149, 150, 152, 153,
3094	255, 182, 224, 205, 174, 176, 180, 217,
3095	233, 232, 236, 187, 235, 228, 234, 226,
3096	222, 219, 211, 195, 188, 193, 185, 184,
3097	191, 183, 201, 229, 181, 220, 194, 162,
3098	163, 208, 186, 202, 200, 218, 198, 179,
3099	178, 214, 166, 170, 207, 199, 209, 206,
3100	204, 160, 212, 216, 215, 192, 175, 173,
3101	243, 172, 161, 190, 203, 189, 164, 230,
3102	167, 248, 227, 244, 242, 255, 241, 231,
3103	240, 253, 169, 210, 245, 237, 249, 247,
3104	239, 168, 252, 251, 254, 238, 223, 221,
3105	213, 225, 177, 197, 171, 196, 159, 4,
3106	5, 6, 8, 9, 10, 11, 12, 13,
3107	14, 15, 16, 17, 19, 20, 21, 22,
3108	23, 24, 25, 26, 27, 28, 30, 31,
3109	32, 33, 34, 35, 36, 37, 38, 39,
3110	41, 42, 43, 44, 45, 46, 47, 48,
3111	49, 50, 52, 53, 54, 55, 56, 57,
3112	58, 59, 60, 61, 63, 64, 65, 66,
3113	67, 68, 69, 70, 71, 72, 74, 75,
3114	76, 77, 78, 79, 80, 81, 82, 83,
3115	86, 87, 88, 89, 90, 91, 92, 93,
3116	94, 95, 97, 98, 99, 100, 101, 102,
3117	103, 104, 105, 106, 108, 109, 110, 111,
3118	112, 113, 114, 115, 116, 117, 119, 120,
3119	121, 122, 123, 124, 125, 126, 127, 128,
3120	130, 131, 132, 133, 134, 135, 136, 137,
3121	138, 139, 141, 142, 143, 144, 145, 146
3122	};
3123	#endif
3124	#else
3125	EXTCONST unsigned char PL_freq[];
3126	#endif
3127
3128	#ifdef DEBUGGING
3129	#ifdef DOINIT
3130	EXTCONST char* PL_block_type[] = {
3131	"NULL",
3132	"SUB",
3133	"EVAL",
3134	"LOOP",
3135	"SUBST",
3136	"BLOCK",
3137	};
3138	#else
3139	EXTCONST char* PL_block_type[];
3140	#endif
3141	#endif
3142
3143	END_EXTERN_C
3144
3145	/*****************************************************************************/
3146	/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3147	/*****************************************************************************/
3148	/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
3149
3150	#include "perly.h"
3151
3152	#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3153
3154	typedef enum {
3155	XOPERATOR,
3156	XTERM,
3157	XREF,
3158	XSTATE,
3159	XBLOCK,
3160	XATTRBLOCK,
3161	XATTRTERM,
3162	XTERMBLOCK
3163	} expectation;
3164
3165	enum { /* pass one of these to get_vtbl */
3166	want_vtbl_sv,
3167	want_vtbl_env,
3168	want_vtbl_envelem,
3169	want_vtbl_sig,
3170	want_vtbl_sigelem,
3171	want_vtbl_pack,
3172	want_vtbl_packelem,
3173	want_vtbl_dbline,
3174	want_vtbl_isa,
3175	want_vtbl_isaelem,
3176	want_vtbl_arylen,
3177	want_vtbl_glob,
3178	want_vtbl_mglob,
3179	want_vtbl_nkeys,
3180	want_vtbl_taint,
3181	want_vtbl_substr,
3182	want_vtbl_vec,
3183	want_vtbl_pos,
3184	want_vtbl_bm,
3185	want_vtbl_fm,
3186	want_vtbl_uvar,
3187	want_vtbl_defelem,
3188	want_vtbl_regexp,
3189	want_vtbl_collxfrm,
3190	want_vtbl_amagic,
3191	want_vtbl_amagicelem,
3192	#ifdef USE_5005THREADS
3193	want_vtbl_mutex,
3194	#endif
3195	want_vtbl_regdata,
3196	want_vtbl_regdatum,
3197	want_vtbl_backref
3198	};
3199
3200	/* Note: the lowest 8 bits are reserved for
3201	stuffing into op->op_private */
3202	#define HINT_PRIVATE_MASK 0x000000ff
3203	#define HINT_INTEGER 0x00000001
3204	#define HINT_STRICT_REFS 0x00000002
3205	#define HINT_LOCALE 0x00000004
3206	#define HINT_BYTES 0x00000008
3207	/* #define HINT_notused10 0x00000010 */
3208	/* Note: 20,40,80 used for NATIVE_HINTS */
3209
3210	#define HINT_BLOCK_SCOPE 0x00000100
3211	#define HINT_STRICT_SUBS 0x00000200
3212	#define HINT_STRICT_VARS 0x00000400
3213
3214	#define HINT_NEW_INTEGER 0x00001000
3215	#define HINT_NEW_FLOAT 0x00002000
3216	#define HINT_NEW_BINARY 0x00004000
3217	#define HINT_NEW_STRING 0x00008000
3218	#define HINT_NEW_RE 0x00010000
3219	#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3220
3221	#define HINT_RE_TAINT 0x00100000
3222	#define HINT_RE_EVAL 0x00200000
3223
3224	#define HINT_FILETEST_ACCESS 0x00400000
3225	#define HINT_UTF8 0x00800000
3226
3227	#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3228	#define HINT_SORT_QUICKSORT 0x00000001
3229	#define HINT_SORT_MERGESORT 0x00000002
3230	#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
3231
3232	/* Various states of the input record separator SV (rs) */
3233	#define RsSNARF(sv) (! SvOK(sv))
3234	#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) \|\| SvCUR(sv)))
3235	#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
3236	#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
3237
3238	/* A struct for keeping various DEBUGGING related stuff,
3239	* neatly packed. Currently only scratch variables for
3240	* constructing debug output are included. Needed always,
3241	* not just when DEBUGGING, though, because of the re extension. c*/
3242	struct perl_debug_pad {
3243	SV pad[3];
3244	};
3245
3246	#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
3247	#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
3248
3249	/* Enable variables which are pointers to functions */
3250	typedef void (CPERLscope(peep_t))(pTHX_ OP o);
3251	typedef regexp(CPERLscope(regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3252	typedef I32 (CPERLscope(regexec_t)) (pTHX_ regexp prog, char* stringarg,
3253	char* strend, char* strbeg, I32 minend,
3254	SV* screamer, void* data, U32 flags);
3255	typedef char* (CPERLscope(re_intuit_start_t)) (pTHX_ regexp prog, SV *sv,
3256	char strpos, char strend,
3257	U32 flags,
3258	struct re_scream_pos_data_s *d);
3259	typedef SV* (CPERLscope(re_intuit_string_t)) (pTHX_ regexp prog);
3260	typedef void (CPERLscope(regfree_t)) (pTHX_ struct regexp r);
3261
3262	typedef void (DESTRUCTORFUNC_NOCONTEXT_t) (void);
3263	typedef void (DESTRUCTORFUNC_t) (pTHX_ void);
3264	typedef void (SVFUNC_t) (pTHX_ SV);
3265	typedef I32 (SVCOMPARE_t) (pTHX_ SV, SV*);
3266	typedef void (*XSINIT_t) (pTHX);
3267	typedef void (ATEXIT_t) (pTHX_ void);
3268	typedef void (XSUBADDR_t) (pTHX_ CV );
3269
3270	/* Set up PERLVAR macros for populating structs */
3271	#define PERLVAR(var,type) type var;
3272	#define PERLVARA(var,n,type) type var[n];
3273	#define PERLVARI(var,type,init) type var;
3274	#define PERLVARIC(var,type,init) type var;
3275
3276	/* Interpreter exitlist entry */
3277	typedef struct exitlistentry {
3278	void (fn) (pTHX_ void);
3279	void *ptr;
3280	} PerlExitListEntry;
3281
3282	#ifdef PERL_GLOBAL_STRUCT
3283	struct perl_vars {
3284	# include "perlvars.h"
3285	};
3286
3287	# ifdef PERL_CORE
3288	EXT struct perl_vars PL_Vars;
3289	EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
3290	# else /* PERL_CORE */
3291	# if !defined(__GNUC__) \|\| !defined(WIN32)
3292	EXT
3293	# endif /* WIN32 */
3294	struct perl_vars *PL_VarsPtr;
3295	# define PL_Vars (*((PL_VarsPtr) \
3296	? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3297	# endif /* PERL_CORE */
3298	#endif /* PERL_GLOBAL_STRUCT */
3299
3300	#if defined(MULTIPLICITY)
3301	/* If we have multiple interpreters define a struct
3302	holding variables which must be per-interpreter
3303	If we don't have threads anything that would have
3304	be per-thread is per-interpreter.
3305	*/
3306
3307	struct interpreter {
3308	# ifndef USE_5005THREADS
3309	# include "thrdvar.h"
3310	# endif
3311	# include "intrpvar.h"
3312	/*
3313	* The following is a buffer where new variables must
3314	* be defined to maintain binary compatibility with previous versions
3315	*/
3316	PERLVARA(object_compatibility,30, char)
3317	};
3318
3319	#else
3320	struct interpreter {
3321	char broiled;
3322	};
3323	#endif /* MULTIPLICITY */
3324
3325	#ifdef USE_5005THREADS
3326	/* If we have threads define a struct with all the variables
3327	* that have to be per-thread
3328	*/
3329
3330
3331	struct perl_thread {
3332	#include "thrdvar.h"
3333	};
3334
3335	typedef struct perl_thread *Thread;
3336
3337	#else
3338	typedef void *Thread;
3339	#endif
3340
3341	/* Done with PERLVAR macros for now ... */
3342	#undef PERLVAR
3343	#undef PERLVARA
3344	#undef PERLVARI
3345	#undef PERLVARIC
3346
3347	#include "thread.h"
3348	#include "pp.h"
3349
3350	#ifndef PERL_CALLCONV
3351	# define PERL_CALLCONV
3352	#endif
3353
3354	#ifndef NEXT30_NO_ATTRIBUTE
3355	# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3356	# ifdef __attribute__ /* Avoid possible redefinition errors */
3357	# undef __attribute__
3358	# endif
3359	# define __attribute__(attr)
3360	# endif
3361	#endif
3362
3363	#undef PERL_CKDEF
3364	#undef PERL_PPDEF
3365	#define PERL_CKDEF(s) OP s (pTHX_ OP o);
3366	#define PERL_PPDEF(s) OP *s (pTHX);
3367
3368	#include "proto.h"
3369
3370	/* this has structure inits, so it cannot be included before here */
3371	#include "opcode.h"
3372
3373	/* The following must follow proto.h as #defines mess up syntax */
3374
3375	#if !defined(PERL_FOR_X2P)
3376	# include "embedvar.h"
3377	#endif
3378
3379	/* Now include all the 'global' variables
3380	* If we don't have threads or multiple interpreters
3381	* these include variables that would have been their struct-s
3382	*/
3383
3384	#define PERLVAR(var,type) EXT type PL_##var;
3385	#define PERLVARA(var,n,type) EXT type PL_##var[n];
3386	#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3387	#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
3388
3389	#if !defined(MULTIPLICITY)
3390	START_EXTERN_C
3391	# include "intrpvar.h"
3392	# ifndef USE_5005THREADS
3393	# include "thrdvar.h"
3394	# endif
3395	END_EXTERN_C
3396	#endif
3397
3398	#if defined(WIN32)
3399	/* Now all the config stuff is setup we can include embed.h */
3400	# include "embed.h"
3401	#endif
3402
3403	#ifndef PERL_GLOBAL_STRUCT
3404	START_EXTERN_C
3405
3406	# include "perlvars.h"
3407
3408	END_EXTERN_C
3409	#endif
3410
3411	#undef PERLVAR
3412	#undef PERLVARA
3413	#undef PERLVARI
3414	#undef PERLVARIC
3415
3416	START_EXTERN_C
3417
3418	#ifdef DOINIT
3419
3420	EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3421	MEMBER_TO_FPTR(Perl_magic_set),
3422	MEMBER_TO_FPTR(Perl_magic_len),
3423	0, 0};
3424	EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3425	0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
3426	0};
3427	EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3428	0, MEMBER_TO_FPTR(Perl_magic_clearenv),
3429	0};
3430	EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
3431	#ifdef PERL_MICRO
3432	EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3433	#else
3434	EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3435	MEMBER_TO_FPTR(Perl_magic_setsig),
3436	0, MEMBER_TO_FPTR(Perl_magic_clearsig),
3437	0};
3438	#endif
3439	EXT MGVTBL PL_vtbl_pack = {0, 0,
3440	MEMBER_TO_FPTR(Perl_magic_sizepack),
3441	MEMBER_TO_FPTR(Perl_magic_wipepack),
3442	0};
3443	EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3444	MEMBER_TO_FPTR(Perl_magic_setpack),
3445	0, MEMBER_TO_FPTR(Perl_magic_clearpack),
3446	0};
3447	EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
3448	0, 0, 0};
3449	EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3450	0, MEMBER_TO_FPTR(Perl_magic_setisa),
3451	0};
3452	EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3453	0, 0, 0};
3454	EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3455	MEMBER_TO_FPTR(Perl_magic_setarylen),
3456	0, 0, 0};
3457	EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3458	MEMBER_TO_FPTR(Perl_magic_setglob),
3459	0, 0, 0};
3460	EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
3461	0, 0, 0};
3462	EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3463	MEMBER_TO_FPTR(Perl_magic_setnkeys),
3464	0, 0, 0};
3465	EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3466	MEMBER_TO_FPTR(Perl_magic_settaint),
3467	0, 0, 0};
3468	EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3469	MEMBER_TO_FPTR(Perl_magic_setsubstr),
3470	0, 0, 0};
3471	EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3472	MEMBER_TO_FPTR(Perl_magic_setvec),
3473	0, 0, 0};
3474	EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3475	MEMBER_TO_FPTR(Perl_magic_setpos),
3476	0, 0, 0};
3477	EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
3478	0, 0, 0};
3479	EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
3480	0, 0, 0};
3481	EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3482	MEMBER_TO_FPTR(Perl_magic_setuvar),
3483	0, 0, 0};
3484	#ifdef USE_5005THREADS
3485	EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
3486	MEMBER_TO_FPTR(Perl_magic_mutexfree)};
3487	#endif /* USE_5005THREADS */
3488	EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3489	MEMBER_TO_FPTR(Perl_magic_setdefelem),
3490	0, 0, 0};
3491
3492	EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3493	EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
3494	EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3495	MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
3496
3497	#ifdef USE_LOCALE_COLLATE
3498	EXT MGVTBL PL_vtbl_collxfrm = {0,
3499	MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
3500	0, 0, 0};
3501	#endif
3502
3503	EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3504	0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3505	EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3506	0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3507
3508	EXT MGVTBL PL_vtbl_backref = {0, 0,
3509	0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
3510
3511	EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3512	0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3513
3514	#else /* !DOINIT */
3515
3516	EXT MGVTBL PL_vtbl_sv;
3517	EXT MGVTBL PL_vtbl_env;
3518	EXT MGVTBL PL_vtbl_envelem;
3519	EXT MGVTBL PL_vtbl_sig;
3520	EXT MGVTBL PL_vtbl_sigelem;
3521	EXT MGVTBL PL_vtbl_pack;
3522	EXT MGVTBL PL_vtbl_packelem;
3523	EXT MGVTBL PL_vtbl_dbline;
3524	EXT MGVTBL PL_vtbl_isa;
3525	EXT MGVTBL PL_vtbl_isaelem;
3526	EXT MGVTBL PL_vtbl_arylen;
3527	EXT MGVTBL PL_vtbl_glob;
3528	EXT MGVTBL PL_vtbl_mglob;
3529	EXT MGVTBL PL_vtbl_nkeys;
3530	EXT MGVTBL PL_vtbl_taint;
3531	EXT MGVTBL PL_vtbl_substr;
3532	EXT MGVTBL PL_vtbl_vec;
3533	EXT MGVTBL PL_vtbl_pos;
3534	EXT MGVTBL PL_vtbl_bm;
3535	EXT MGVTBL PL_vtbl_fm;
3536	EXT MGVTBL PL_vtbl_uvar;
3537	EXT MGVTBL PL_vtbl_ovrld;
3538
3539	#ifdef USE_5005THREADS
3540	EXT MGVTBL PL_vtbl_mutex;
3541	#endif /* USE_5005THREADS */
3542
3543	EXT MGVTBL PL_vtbl_defelem;
3544	EXT MGVTBL PL_vtbl_regexp;
3545	EXT MGVTBL PL_vtbl_regdata;
3546	EXT MGVTBL PL_vtbl_regdatum;
3547
3548	#ifdef USE_LOCALE_COLLATE
3549	EXT MGVTBL PL_vtbl_collxfrm;
3550	#endif
3551
3552	EXT MGVTBL PL_vtbl_amagic;
3553	EXT MGVTBL PL_vtbl_amagicelem;
3554
3555	EXT MGVTBL PL_vtbl_backref;
3556
3557	#endif /* !DOINIT */
3558
3559	enum {
3560	fallback_amg, abs_amg,
3561	bool__amg, nomethod_amg,
3562	string_amg, numer_amg,
3563	add_amg, add_ass_amg,
3564	subtr_amg, subtr_ass_amg,
3565	mult_amg, mult_ass_amg,
3566	div_amg, div_ass_amg,
3567	modulo_amg, modulo_ass_amg,
3568	pow_amg, pow_ass_amg,
3569	lshift_amg, lshift_ass_amg,
3570	rshift_amg, rshift_ass_amg,
3571	band_amg, band_ass_amg,
3572	bor_amg, bor_ass_amg,
3573	bxor_amg, bxor_ass_amg,
3574	lt_amg, le_amg,
3575	gt_amg, ge_amg,
3576	eq_amg, ne_amg,
3577	ncmp_amg, scmp_amg,
3578	slt_amg, sle_amg,
3579	sgt_amg, sge_amg,
3580	seq_amg, sne_amg,
3581	not_amg, compl_amg,
3582	inc_amg, dec_amg,
3583	atan2_amg, cos_amg,
3584	sin_amg, exp_amg,
3585	log_amg, sqrt_amg,
3586	repeat_amg, repeat_ass_amg,
3587	concat_amg, concat_ass_amg,
3588	copy_amg, neg_amg,
3589	to_sv_amg, to_av_amg,
3590	to_hv_amg, to_gv_amg,
3591	to_cv_amg, iter_amg,
3592	int_amg, DESTROY_amg,
3593	max_amg_code
3594	/* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
3595	};
3596
3597	#define NofAMmeth max_amg_code
3598	#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
3599
3600	#ifdef DOINIT
3601	EXTCONST char * PL_AMG_names[NofAMmeth] = {
3602	/* Names kept in the symbol table. fallback => "()", the rest has
3603	"(" prepended. The only other place in perl which knows about
3604	this convention is AMG_id2name (used for debugging output and
3605	'nomethod' only), the only other place which has it hardwired is
3606	overload.pm. */
3607	"()", "(abs", /* "fallback" should be the first. */
3608	"(bool", "(nomethod",
3609	"(\"\"", "(0+",
3610	"(+", "(+=",
3611	"(-", "(-=",
3612	"(", "(=",
3613	"(/", "(/=",
3614	"(%", "(%=",
3615	"(", "(=",
3616	"(<<", "(<<=",
3617	"(>>", "(>>=",
3618	"(&", "(&=",
3619	"(\|", "(\|=",
3620	"(^", "(^=",
3621	"(<", "(<=",
3622	"(>", "(>=",
3623	"(==", "(!=",
3624	"(<=>", "(cmp",
3625	"(lt", "(le",
3626	"(gt", "(ge",
3627	"(eq", "(ne",
3628	"(!", "(~",
3629	"(++", "(--",
3630	"(atan2", "(cos",
3631	"(sin", "(exp",
3632	"(log", "(sqrt",
3633	"(x", "(x=",
3634	"(.", "(.=",
3635	"(=", "(neg",
3636	"(${}", "(@{}",
3637	"(%{}", "(*{}",
3638	"(&{}", "(<>",
3639	"(int", "DESTROY",
3640	};
3641	#else
3642	EXTCONST char * PL_AMG_names[NofAMmeth];
3643	#endif /* def INITAMAGIC */
3644
3645	END_EXTERN_C
3646
3647	struct am_table {
3648	U32 was_ok_sub;
3649	long was_ok_am;
3650	U32 flags;
3651	CV* table[NofAMmeth];
3652	long fallback;
3653	};
3654	struct am_table_short {
3655	U32 was_ok_sub;
3656	long was_ok_am;
3657	U32 flags;
3658	};
3659	typedef struct am_table AMT;
3660	typedef struct am_table_short AMTS;
3661
3662	#define AMGfallNEVER 1
3663	#define AMGfallNO 2
3664	#define AMGfallYES 3
3665
3666	#define AMTf_AMAGIC 1
3667	#define AMTf_OVERLOADED 2
3668	#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3669	#define AMT_AMAGIC_on(amt) ((amt)->flags \|= AMTf_AMAGIC)
3670	#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
3671	#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3672	#define AMT_OVERLOADED_on(amt) ((amt)->flags \|= AMTf_OVERLOADED)
3673	#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
3674
3675	#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
3676
3677	/*
3678	* some compilers like to redefine cos et alia as faster
3679	* (and less accurate?) versions called F_cos et cetera (Quidquid
3680	* latine dictum sit, altum viditur.) This trick collides with
3681	* the Perl overloading (amg). The following #defines fool both.
3682	*/
3683
3684	#ifdef _FASTMATH
3685	# ifdef atan2
3686	# define F_atan2_amg atan2_amg
3687	# endif
3688	# ifdef cos
3689	# define F_cos_amg cos_amg
3690	# endif
3691	# ifdef exp
3692	# define F_exp_amg exp_amg
3693	# endif
3694	# ifdef log
3695	# define F_log_amg log_amg
3696	# endif
3697	# ifdef pow
3698	# define F_pow_amg pow_amg
3699	# endif
3700	# ifdef sin
3701	# define F_sin_amg sin_amg
3702	# endif
3703	# ifdef sqrt
3704	# define F_sqrt_amg sqrt_amg
3705	# endif
3706	#endif /* _FASTMATH */
3707
3708	#define PERLDB_ALL (PERLDBf_SUB \| PERLDBf_LINE \| \
3709	PERLDBf_NOOPT \| PERLDBf_INTER \| \
3710	PERLDBf_SUBLINE\| PERLDBf_SINGLE\| \
3711	PERLDBf_NAMEEVAL\| PERLDBf_NAMEANON)
3712	/* No _NONAME, _GOTO */
3713	#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3714	#define PERLDBf_LINE 0x02 /* Keep line # */
3715	#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3716	#define PERLDBf_INTER 0x08 /* Preserve more data for
3717	later inspections */
3718	#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3719	#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3720	#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3721	#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3722	#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3723	#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
3724
3725	#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3726	#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3727	#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3728	#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3729	#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3730	#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3731	#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3732	#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
3733	#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3734	#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
3735
3736
3737	#ifdef USE_LOCALE_NUMERIC
3738
3739	#define SET_NUMERIC_STANDARD() \
3740	set_numeric_standard();
3741
3742	#define SET_NUMERIC_LOCAL() \
3743	set_numeric_local();
3744
3745	#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3746	#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3747
3748	#define IN_LOCALE \
3749	(PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3750
3751	#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
3752	bool was_local = PL_numeric_local && IN_LOCALE; \
3753	if (was_local) SET_NUMERIC_STANDARD();
3754
3755	#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
3756	bool was_standard = PL_numeric_standard && IN_LOCALE; \
3757	if (was_standard) SET_NUMERIC_LOCAL();
3758
3759	#define RESTORE_NUMERIC_LOCAL() \
3760	if (was_local) SET_NUMERIC_LOCAL();
3761
3762	#define RESTORE_NUMERIC_STANDARD() \
3763	if (was_standard) SET_NUMERIC_STANDARD();
3764
3765	#define Atof my_atof
3766
3767	#else /* !USE_LOCALE_NUMERIC */
3768
3769	#define SET_NUMERIC_STANDARD() /**/
3770	#define SET_NUMERIC_LOCAL() /**/
3771	#define IS_NUMERIC_RADIX(a, b) (0)
3772	#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3773	#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
3774	#define RESTORE_NUMERIC_LOCAL() /**/
3775	#define RESTORE_NUMERIC_STANDARD() /**/
3776	#define Atof my_atof
3777	#define IN_LOCALE_RUNTIME 0
3778
3779	#endif /* !USE_LOCALE_NUMERIC */
3780
3781	#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
3782	# ifdef __hpux
3783	# define strtoll __strtoll /* secret handshake */
3784	# endif
3785	# ifdef WIN64
3786	# define strtoll _strtoi64 /* secret handshake */
3787	# endif
3788	# if !defined(Strtol) && defined(HAS_STRTOLL)
3789	# define Strtol strtoll
3790	# endif
3791	# if !defined(Strtol) && defined(HAS_STRTOQ)
3792	# define Strtol strtoq
3793	# endif
3794	/* is there atoq() anywhere? */
3795	#endif
3796	#if !defined(Strtol) && defined(HAS_STRTOL)
3797	# define Strtol strtol
3798	#endif
3799	#ifndef Atol
3800	/* It would be more fashionable to use Strtol() to define atol()
3801	* (as is done for Atoul(), see below) but for backward compatibility
3802	* we just assume atol(). */
3803	# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3804	# ifdef WIN64
3805	# define atoll _atoi64 /* secret handshake */
3806	# endif
3807	# define Atol atoll
3808	# else
3809	# define Atol atol
3810	# endif
3811	#endif
3812
3813	#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
3814	# ifdef __hpux
3815	# define strtoull __strtoull /* secret handshake */
3816	# endif
3817	# ifdef WIN64
3818	# define strtoull _strtoui64 /* secret handshake */
3819	# endif
3820	# if !defined(Strtoul) && defined(HAS_STRTOULL)
3821	# define Strtoul strtoull
3822	# endif
3823	# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3824	# define Strtoul strtouq
3825	# endif
3826	/* is there atouq() anywhere? */
3827	#endif
3828	#if !defined(Strtoul) && defined(HAS_STRTOUL)
3829	# define Strtoul strtoul
3830	#endif
3831	#ifndef Atoul
3832	# define Atoul(s) Strtoul(s, (char **)NULL, 10)
3833	#endif
3834
3835	#if !defined(PERLIO_IS_STDIO)
3836	/*
3837	* Remap printf
3838	*/
3839	#undef printf
3840	#ifdef __GNUC__
3841	#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3842	#else
3843	#define printf PerlIO_stdoutf
3844	#endif
3845	#endif
3846
3847	/* if these never got defined, they need defaults */
3848	#ifndef PERL_SET_CONTEXT
3849	# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3850	#endif
3851
3852	#ifndef PERL_GET_CONTEXT
3853	# define PERL_GET_CONTEXT PERL_GET_INTERP
3854	#endif
3855
3856	#ifndef PERL_GET_THX
3857	# define PERL_GET_THX ((void*)NULL)
3858	#endif
3859
3860	#ifndef PERL_SET_THX
3861	# define PERL_SET_THX(t) NOOP
3862	#endif
3863
3864	#ifndef PERL_SCRIPT_MODE
3865	#define PERL_SCRIPT_MODE "r"
3866	#endif
3867
3868	/*
3869	* Some operating systems are stingy with stack allocation,
3870	* so perl may have to guard against stack overflow.
3871	*/
3872	#ifndef PERL_STACK_OVERFLOW_CHECK
3873	#define PERL_STACK_OVERFLOW_CHECK() NOOP
3874	#endif
3875
3876	/*
3877	* Some nonpreemptive operating systems find it convenient to
3878	* check for asynchronous conditions after each op execution.
3879	* Keep this check simple, or it may slow down execution
3880	* massively.
3881	*/
3882
3883	#ifndef PERL_MICRO
3884	# ifndef PERL_OLD_SIGNALS
3885	# ifndef PERL_ASYNC_CHECK
3886	# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3887	# endif
3888	# endif
3889	#endif
3890
3891	#ifndef PERL_ASYNC_CHECK
3892	# define PERL_ASYNC_CHECK() NOOP
3893	#endif
3894
3895	/*
3896	* On some operating systems, a memory allocation may succeed,
3897	* but put the process too close to the system's comfort limit.
3898	* In this case, PERL_ALLOC_CHECK frees the pointer and sets
3899	* it to NULL.
3900	*/
3901	#ifndef PERL_ALLOC_CHECK
3902	#define PERL_ALLOC_CHECK(p) NOOP
3903	#endif
3904
3905	/*
3906	* nice_chunk and nice_chunk size need to be set
3907	* and queried under the protection of sv_mutex
3908	*/
3909	#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3910	void *new_chunk; \
3911	U32 new_chunk_size; \
3912	LOCK_SV_MUTEX; \
3913	new_chunk = (void *)(chunk); \
3914	new_chunk_size = (chunk_size); \
3915	if (new_chunk_size > PL_nice_chunk_size) { \
3916	if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3917	PL_nice_chunk = new_chunk; \
3918	PL_nice_chunk_size = new_chunk_size; \
3919	} else { \
3920	Safefree(chunk); \
3921	} \
3922	UNLOCK_SV_MUTEX; \
3923	} STMT_END
3924
3925	#ifdef HAS_SEM
3926	# include <sys/ipc.h>
3927	# include <sys/sem.h>
3928	# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3929	union semun {
3930	int val;
3931	struct semid_ds *buf;
3932	unsigned short *array;
3933	};
3934	# endif
3935	# ifdef USE_SEMCTL_SEMUN
3936	# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3937	union gccbug_semun {
3938	int val;
3939	struct semid_ds *buf;
3940	unsigned short *array;
3941	char __dummy[5];
3942	};
3943	# define semun gccbug_semun
3944	# endif
3945	# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3946	# else
3947	# ifdef USE_SEMCTL_SEMID_DS
3948	# ifdef EXTRA_F_IN_SEMUN_BUF
3949	# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3950	# else
3951	# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3952	# endif
3953	# endif
3954	# endif
3955	#endif
3956
3957	/*
3958	* Boilerplate macros for initializing and accessing interpreter-local
3959	* data from C. All statics in extensions should be reworked to use
3960	* this, if you want to make the extension thread-safe. See ext/re/re.xs
3961	* for an example of the use of these macros, and perlxs.pod for more.
3962	*
3963	* Code that uses these macros is responsible for the following:
3964	* 1. #define MY_CXT_KEY to a unique string, e.g.
3965	* "DynaLoader::_guts" XS_VERSION
3966	* 2. Declare a typedef named my_cxt_t that is a structure that contains
3967	* all the data that needs to be interpreter-local.
3968	* 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3969	* 4. Use the MY_CXT_INIT macro such that it is called exactly once
3970	* (typically put in the BOOT: section).
3971	* 5. Use the members of the my_cxt_t structure everywhere as
3972	* MY_CXT.member.
3973	* 6. Use the dMY_CXT macro (a declaration) in all the functions that
3974	* access MY_CXT.
3975	*/
3976
3977	#if defined(PERL_IMPLICIT_CONTEXT)
3978
3979	/* This must appear in all extensions that define a my_cxt_t structure,
3980	* right after the definition (i.e. at file scope). The non-threads
3981	* case below uses it to declare the data as static. */
3982	#define START_MY_CXT
3983
3984	/* Fetches the SV that keeps the per-interpreter data. */
3985	#define dMY_CXT_SV \
3986	SV my_cxt_sv = hv_fetch(PL_modglobal, MY_CXT_KEY, \
3987	sizeof(MY_CXT_KEY)-1, TRUE)
3988
3989	/* This declaration should be used within all functions that use the
3990	* interpreter-local data. */
3991	#define dMY_CXT \
3992	dMY_CXT_SV; \
3993	my_cxt_t my_cxtp = INT2PTR(my_cxt_t, SvUV(my_cxt_sv))
3994
3995	/* Creates and zeroes the per-interpreter data.
3996	* (We allocate my_cxtp in a Perl SV so that it will be released when
3997	* the interpreter goes away.) */
3998	#define MY_CXT_INIT \
3999	dMY_CXT_SV; \
4000	/* newSV() allocates one more than needed */ \
4001	my_cxt_t my_cxtp = (my_cxt_t)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4002	Zero(my_cxtp, 1, my_cxt_t); \
4003	sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
4004
4005	/* This macro must be used to access members of the my_cxt_t structure.
4006	* e.g. MYCXT.some_data */
4007	#define MY_CXT (*my_cxtp)
4008
4009	/* Judicious use of these macros can reduce the number of times dMY_CXT
4010	* is used. Use is similar to pTHX, aTHX etc. */
4011	#define pMY_CXT my_cxt_t *my_cxtp
4012	#define pMY_CXT_ pMY_CXT,
4013	#define _pMY_CXT ,pMY_CXT
4014	#define aMY_CXT my_cxtp
4015	#define aMY_CXT_ aMY_CXT,
4016	#define _aMY_CXT ,aMY_CXT
4017
4018	#else /* USE_ITHREADS */
4019
4020	#define START_MY_CXT static my_cxt_t my_cxt;
4021	#define dMY_CXT_SV dNOOP
4022	#define dMY_CXT dNOOP
4023	#define MY_CXT_INIT NOOP
4024	#define MY_CXT my_cxt
4025
4026	#define pMY_CXT void
4027	#define pMY_CXT_
4028	#define _pMY_CXT
4029	#define aMY_CXT
4030	#define aMY_CXT_
4031	#define _aMY_CXT
4032
4033	#endif /* !defined(USE_ITHREADS) */
4034
4035	#ifdef I_FCNTL
4036	# include <fcntl.h>
4037	#endif
4038
4039	#ifdef I_SYS_FILE
4040	# include <sys/file.h>
4041	#endif
4042
4043	#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
4044	int flock(int fd, int op);
4045	#endif
4046
4047	#ifndef O_RDONLY
4048	/* Assume UNIX defaults */
4049	# define O_RDONLY 0000
4050	# define O_WRONLY 0001
4051	# define O_RDWR 0002
4052	# define O_CREAT 0100
4053	#endif
4054
4055	#ifndef O_BINARY
4056	# define O_BINARY 0
4057	#endif
4058
4059	#ifndef O_TEXT
4060	# define O_TEXT 0
4061	#endif
4062
4063	#if O_TEXT != O_BINARY
4064	/* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4065	* that is, you are somehow DOSish. */
4066	# if defined(__BEOS__) \|\| defined(__VOS__)
4067	/* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4068	* BeOS is always UNIXoid (LF), not DOSish (CRLF). */
4069	/* VOS has O_TEXT != O_BINARY, and they have effect,
4070	* but VOS always uses LF, never CRLF. */
4071	/* If you have O_TEXT different from your O_BINARY but you still are
4072	* not a CRLF shop. */
4073	# undef PERLIO_USING_CRLF
4074	# else
4075	/* If you really are DOSish. */
4076	# define PERLIO_USING_CRLF 1
4077	# endif
4078	#endif
4079
4080	#ifdef IAMSUID
4081
4082	#ifdef I_SYS_STATVFS
4083	# if defined(PERL_SCO) && !defined(_SVID3)
4084	# define _SVID3
4085	# endif
4086	# include <sys/statvfs.h> /* for f?statvfs() */
4087	#endif
4088	#ifdef I_SYS_MOUNT
4089	# include <sys/mount.h> /* for BSD f?statfs() /
4090	#endif
4091	#ifdef I_MNTENT
4092	# include <mntent.h> /* for getmntent() */
4093	#endif
4094	#ifdef I_SYS_STATFS
4095	# include <sys/statfs.h> /* for some statfs() */
4096	#endif
4097	#ifdef I_SYS_VFS
4098	# ifdef __sgi
4099	# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4100	# endif
4101	# include <sys/vfs.h> /* for some statfs() */
4102	# ifdef __sgi
4103	# undef IRIX_sv
4104	# endif
4105	#endif
4106	#ifdef I_USTAT
4107	# include <ustat.h> /* for ustat() */
4108	#endif
4109
4110	#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4111	# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4112	#endif
4113	#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4114	# define PERL_MOUNT_NOSUID MNT_NOSUID
4115	#endif
4116	#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4117	# define PERL_MOUNT_NOSUID MS_NOSUID
4118	#endif
4119	#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4120	# define PERL_MOUNT_NOSUID M_NOSUID
4121	#endif
4122
4123	#endif /* IAMSUID */
4124
4125	#ifdef I_LIBUTIL
4126	# include <libutil.h> /* setproctitle() in some FreeBSDs */
4127	#endif
4128
4129	#ifndef EXEC_ARGV_CAST
4130	#define EXEC_ARGV_CAST(x) x
4131	#endif
4132
4133	#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4134	int). value returned in pointed-
4135	to UV */
4136	#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4137	#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4138	#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4139	#define IS_NUMBER_INFINITY 0x10 /* this is big */
4140	#define IS_NUMBER_NAN 0x20 /* this is not */
4141
4142	#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4143
4144	/* Input flags: */
4145	#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
4146	#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
4147	/* Output flags: */
4148	#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4149
4150	/* to let user control profiling */
4151	#ifdef PERL_GPROF_CONTROL
4152	extern void moncontrol(int);
4153	#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4154	#else
4155	#define PERL_GPROF_MONCONTROL(x)
4156	#endif
4157
4158	#ifdef UNDER_CE
4159	#include "wince.h"
4160	#endif
4161
4162	/* ISO 6429 NEL - C1 control NExt Line */
4163	/* See http://www.unicode.org/unicode/reports/tr13/ */
4164	#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4165	# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4166	# define NEXT_LINE_CHAR 0x15
4167	# else /* CDRA */
4168	# define NEXT_LINE_CHAR 0x25
4169	# endif
4170	#else
4171	# define NEXT_LINE_CHAR 0x85
4172	#endif
4173
4174	/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4175	#define UNICODE_LINE_SEPA_0 0xE2
4176	#define UNICODE_LINE_SEPA_1 0x80
4177	#define UNICODE_LINE_SEPA_2 0xA8
4178	#define UNICODE_PARA_SEPA_0 0xE2
4179	#define UNICODE_PARA_SEPA_1 0x80
4180	#define UNICODE_PARA_SEPA_2 0xA9
4181
4182	/* and finally... */
4183	#define PERL_PATCHLEVEL_H_IMPLICIT
4184	#include "patchlevel.h"
4185	#undef PERL_PATCHLEVEL_H_IMPLICIT
4186
4187	/* Mention
4188
4189	NV_PRESERVES_UV
4190
4191	HAS_MKSTEMP
4192	HAS_MKSTEMPS
4193	HAS_MKDTEMP
4194
4195	HAS_GETCWD
4196
4197	HAS_MMAP
4198	HAS_MPROTECT
4199	HAS_MSYNC
4200	HAS_MADVISE
4201	HAS_MUNMAP
4202	I_SYSMMAN
4203	Mmap_t
4204
4205	NVef
4206	NVff
4207	NVgf
4208
4209	HAS_USLEEP
4210	HAS_UALARM
4211
4212	HAS_SETITIMER
4213	HAS_GETITIMER
4214
4215	HAS_SENDMSG
4216	HAS_RECVMSG
4217	HAS_READV
4218	HAS_WRITEV
4219	I_SYSUIO
4220	HAS_STRUCT_MSGHDR
4221	HAS_STRUCT_CMSGHDR
4222
4223	HAS_NL_LANGINFO
4224
4225	HAS_DIRFD
4226
4227	so that Configure picks them up. */
4228
4229	#endif /* Include guard */
4230

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