source: trunk/third/tcsh/tc.os.h @ 14619

Revision 14619, 19.7 KB checked in by ghudson, 25 years ago (diff)
Nuke getpeername() prototype which conflicts with system's on Solaris 7.
Line 
1/* $Header: /afs/dev.mit.edu/source/repository/third/tcsh/tc.os.h,v 1.4 2000-04-12 22:31:35 ghudson Exp $ */
2/*
3 * tc.os.h: Shell os dependent defines
4 */
5/*-
6 * Copyright (c) 1980, 1991 The Regents of the University of California.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *      This product includes software developed by the University of
20 *      California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 *    may be used to endorse or promote products derived from this software
23 *    without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37#ifndef _h_tc_os
38#define _h_tc_os
39
40#ifndef WINNT
41#define NEEDstrerror            /* Too hard to find which systems have it */
42#endif /* WINNT */
43
44
45#ifdef notdef
46/*
47 * for SVR4 and linux we used to fork pipelines backwards.
48 * This should not be needed any more.
49 * more info in sh.sem.c
50 */
51# define BACKPIPE
52#endif /* notdef */
53
54#ifdef   _VMS_POSIX
55# ifndef  NOFILE
56#  define  NOFILE 64
57# endif /* NOFILE */
58# define  nice(a)       setprio((getpid()),a)
59# undef   NEEDstrerror    /* won't get sensible error messages otherwise */
60# define  NEEDgethostname
61# include <sys/time.h>    /* for time stuff in tc.prompt.c */
62# include <limits.h>
63#endif /* atp vmsposix */
64
65#if defined(DECOSF1) || defined(HPUXVERSION)
66# include <sys/signal.h>
67#endif /* DECOSF1 || HPUXVERSION */
68
69#ifdef DECOSF1
70# include <sys/ioctl.h>
71#endif /* DECOSF1 */
72
73#if defined(OPEN_MAX) && !defined(NOFILE)
74# define NOFILE OPEN_MAX
75#endif /* OPEN_MAX && !NOFILE */
76
77#if defined(USR_NFDS) && !defined(NOFILE)
78# define NOFILE USR_NFDS
79#endif /* USR_NFDS && !NOFILE */
80
81#ifndef NOFILE
82# define NOFILE 256
83#endif /* NOFILE */
84
85#if defined(linux) || defined(__NetBSD__) || defined(__FreeBSD__) || SYSVREL >= 4
86# undef NEEDstrerror
87#endif /* linux || __NetBSD__ || __FreeBSD__ || SYSVREL >= 4 */
88
89#if !defined(pyr) && !defined(sinix)
90/* Pyramid's cpp complains about the next line */
91# if defined(BSD) && BSD >= 199306
92#  undef NEEDstrerror
93# endif /* BSD && BSD >= 199306 */
94#endif /* pyr */
95
96#ifdef OREO
97# include <sys/time.h>
98# ifdef notdef
99  /* Don't include it, because it defines things we don't really have */
100#  include <sys/resource.h>     
101# endif /* notdef */
102# ifdef POSIX
103#  include <sys/tty.h>
104#  include <termios.h>
105# endif /* POSIX */
106#endif /* OREO */
107
108#ifndef NCARGS
109# ifdef _SC_ARG_MAX
110#  define NCARGS sysconf(_SC_ARG_MAX)
111# else /* !_SC_ARG_MAX */
112#  ifdef ARG_MAX
113#   define NCARGS ARG_MAX
114#  else /* !ARG_MAX */
115#   ifdef _MINIX
116#    define NCARGS 80
117#   else /* !_MINIX */
118#    define NCARGS 1024
119#   endif /* _MINIX */
120#  endif /* ARG_MAX */
121# endif /* _SC_ARG_MAX */
122#endif /* NCARGS */
123
124#ifdef convex
125# include <sys/dmon.h>
126#endif /* convex */
127
128#ifdef titan
129extern int end;
130#endif /* titan */
131
132#ifdef hpux
133# ifdef lint
134/*
135 * Hpux defines struct ucred, in <sys/user.h>, but if I include that
136 * then I need to include the *world*
137 * [all this to pass lint cleanly!!!]
138 * so I define struct ucred here...
139 */
140struct ucred {
141    int     foo;
142};
143# endif /* lint */
144
145/*
146 * hpux 7.0 does not define it
147 */
148# ifndef CSUSP
149#  define CSUSP 032
150# endif /* CSUSP */
151
152# include <signal.h>
153# if !defined(hp9000s500) && !(defined(SIGRTMAX) || defined(SIGRTMIN))
154/*
155 * hpux < 7
156 */
157#  include <sys/bsdtty.h>
158# endif /* !hp9000s500 && !(SIGRTMAX || SIGRTMIN) */
159
160# ifndef POSIX
161#  ifdef BSDJOBS
162#   define getpgrp(a) getpgrp2(a)
163#   define setpgrp(a, b) setpgrp2(a, b)
164#  endif /* BSDJOBS */
165# endif /* POSIX */
166#endif /* hpux */
167
168/*
169 * ISC does not define CSUSP
170 */
171#ifdef ISC
172# ifndef CSUSP
173#  define CSUSP 032
174# endif /* CSUSP */
175# if defined(POSIX) && !defined(TIOCGWINSZ)
176/*
177 * ISC defines this only in termio.h. If we are using POSIX and include
178 * termios.h, then we define it ourselves so that window resizing works.
179 */
180#  define TIOCGWINSZ      (('T'<<8)|104)
181# endif /* POSIX && !TIOCGWINSZ */
182#endif /* ISC */
183
184#ifdef ISC202
185# undef TIOCGWINSZ
186#endif /* ISC202 */
187
188/*
189 * XXX: This will be changed soon to
190 * #if (SYSVREL > 0) && defined(TIOCGWINSZ)
191 * If that breaks on your machine, let me know.
192 *
193 * It would break on linux, where all this is
194 * defined in <termios.h>. Wrapper added.
195 */
196#if !defined(linux) && !defined(_VMS_POSIX)
197# if defined(INTEL) || defined(u3b2) || defined (u3b5) || defined(ub15) || defined(u3b20d) || defined(ISC) || defined(SCO) || defined(tower32)
198#  ifdef TIOCGWINSZ
199/*
200 * for struct winsiz
201 */
202#   include <sys/stream.h>
203#   include <sys/ptem.h>
204#  endif /* TIOCGWINSZ */
205#  ifndef ODT
206#   define NEEDgethostname
207#  endif /* ODT */
208# endif /* INTEL || u3b2 || u3b5 || ub15 || u3b20d || ISC || SCO || tower32 */
209#endif /* !linux && !_VMS_POSIX */
210
211#if defined(UNIXPC) || defined(COHERENT)
212# define NEEDgethostname
213#endif /* UNIXPC || COHERENT */
214
215#ifdef IRIS4D
216# include <sys/time.h>
217# include <sys/resource.h>
218# ifndef POSIX
219/*
220 * BSDsetpgrp() and BSDgetpgrp() are BSD versions of setpgrp, etc.
221 */
222#  define setpgrp BSDsetpgrp
223#  define getpgrp BSDgetpgrp
224# endif /* POSIX */
225#endif /* IRIS4D */
226
227/*
228 * For some versions of system V software, specially ones that use the
229 * Wollongong Software TCP/IP, the FIOCLEX, FIONCLEX, FIONBIO calls
230 * might not work correctly for file descriptors [they work only for
231 * sockets]. So we try to use first the fcntl() and we only use the
232 * ioctl() form, only if we don't have the fcntl() one.
233 *
234 * From: scott@craycos.com (Scott Bolte)
235 */
236#ifndef WINNT
237# ifdef F_SETFD
238#  define close_on_exec(fd, v) fcntl((fd), F_SETFD, v)
239# else /* !F_SETFD */
240#  ifdef FIOCLEX
241#   define close_on_exec(fd, v) ioctl((fd), ((v) ? FIOCLEX : FIONCLEX), NULL)
242#  else /* !FIOCLEX */
243#   define close_on_exec(fd, v) /* Nothing */
244#  endif /* FIOCLEX */
245# endif /* F_SETFD */
246#else /* WINNT */
247# define close_on_exec(fd, v) nt_close_on_exec((fd),(v))
248#endif /* !WINNT */
249
250/*
251 * Stat
252 */
253#ifdef ISC
254/* these are not defined for _POSIX_SOURCE under ISC 2.2 */
255# ifndef S_IFMT
256#  define S_IFMT        0170000         /* type of file */
257#  define S_IFDIR       0040000         /* directory */
258#  define S_IFCHR       0020000         /* character special */
259#  define S_IFBLK       0060000         /* block special */
260#  define S_IFREG       0100000         /* regular */
261#  define S_IFIFO       0010000         /* fifo */
262#  define S_IFNAM       0050000         /* special named file */
263#  ifndef ISC202
264#   define S_IFLNK      0120000         /* symbolic link */
265#  endif /* ISC202 */
266# endif /* S_IFMT */
267#endif /* ISC */
268
269#if defined(uts) || defined(UTekV) || defined(sysV88)
270/*
271 * The uts 2.1.2 macros (Amdahl) are busted!
272 * You should fix <sys/stat.h>, cause other programs will break too!
273 *
274 * From: creiman@ncsa.uiuc.edu (Charlie Reiman)
275 */
276
277/*
278 * The same applies to Motorola MPC (System V/88 R32V2, UTekV 3.2e)
279 * workstations, the stat macros are broken.
280 * Kaveh Ghazi (ghazi@caip.rutgers.edu)
281 */
282# undef S_ISDIR
283# undef S_ISCHR
284# undef S_ISBLK
285# undef S_ISREG
286# undef S_ISFIFO
287# undef S_ISNAM
288# undef S_ISLNK
289# undef S_ISSOCK
290#endif /* uts || UTekV || sysV88 */
291
292#ifdef S_IFMT
293# if !defined(S_ISDIR) && defined(S_IFDIR)
294#  define S_ISDIR(a)    (((a) & S_IFMT) == S_IFDIR)
295# endif /* ! S_ISDIR && S_IFDIR */
296# if !defined(S_ISCHR) && defined(S_IFCHR)
297#  define S_ISCHR(a)    (((a) & S_IFMT) == S_IFCHR)
298# endif /* ! S_ISCHR && S_IFCHR */
299# if !defined(S_ISBLK) && defined(S_IFBLK)
300#  define S_ISBLK(a)    (((a) & S_IFMT) == S_IFBLK)
301# endif /* ! S_ISBLK && S_IFBLK */
302# if !defined(S_ISREG) && defined(S_IFREG)
303#  define S_ISREG(a)    (((a) & S_IFMT) == S_IFREG)
304# endif /* ! S_ISREG && S_IFREG */
305# if !defined(S_ISFIFO) && defined(S_IFIFO)
306#  define S_ISFIFO(a)   (((a) & S_IFMT) == S_IFIFO)
307# endif /* ! S_ISFIFO && S_IFIFO */
308# if !defined(S_ISNAM) && defined(S_IFNAM)
309#  define S_ISNAM(a)    (((a) & S_IFMT) == S_IFNAM)
310# endif /* ! S_ISNAM && S_IFNAM */
311# if !defined(S_ISLNK) && defined(S_IFLNK)
312#  define S_ISLNK(a)    (((a) & S_IFMT) == S_IFLNK)
313# endif /* ! S_ISLNK && S_IFLNK */
314# if !defined(S_ISSOCK) && defined(S_IFSOCK)
315#  define S_ISSOCK(a)   (((a) & S_IFMT) == S_IFSOCK)
316# endif /* ! S_ISSOCK && S_IFSOCK */
317#endif /* S_IFMT */
318
319#ifdef tower32
320/* The header files lie; we really don't have symlinks */
321# undef S_ISLNK
322# undef S_IFLNK
323#endif /* tower32 */
324
325#ifndef S_IREAD
326# define S_IREAD 0000400
327#endif /* S_IREAD */
328#ifndef S_IROTH
329# define S_IROTH (S_IREAD >> 6)
330#endif /* S_IROTH */
331#ifndef S_IRGRP
332# define S_IRGRP (S_IREAD >> 3)
333#endif /* S_IRGRP */
334#ifndef S_IRUSR
335# define S_IRUSR S_IREAD
336#endif /* S_IRUSR */
337
338#ifndef S_IWRITE
339# define S_IWRITE 0000200
340#endif /* S_IWRITE */
341#ifndef S_IWOTH
342# define S_IWOTH (S_IWRITE >> 6)
343#endif /* S_IWOTH */
344#ifndef S_IWGRP
345# define S_IWGRP (S_IWRITE >> 3)
346#endif /* S_IWGRP */
347#ifndef S_IWUSR
348# define S_IWUSR S_IWRITE
349#endif /* S_IWUSR */
350
351#ifndef S_IEXEC
352# define S_IEXEC 0000100
353#endif /* S_IEXEC */
354#ifndef S_IXOTH
355# define S_IXOTH (S_IEXEC >> 6)
356#endif /* S_IXOTH */
357#ifndef S_IXGRP
358# define S_IXGRP (S_IEXEC >> 3)
359#endif /* S_IXGRP */
360#ifndef S_IXUSR
361# define S_IXUSR S_IEXEC
362#endif /* S_IXUSR */
363
364#ifndef S_ISUID
365# define S_ISUID 0004000        /* setuid */
366#endif /* S_ISUID */
367#ifndef S_ISGID
368# define S_ISGID 0002000        /* setgid */
369#endif /* S_ISGID */
370#ifndef S_ISVTX
371# define S_ISVTX 0001000        /* sticky */
372#endif /* S_ISVTX */
373#ifndef S_ENFMT
374# define S_ENFMT S_ISGID        /* record locking enforcement flag */
375#endif /* S_ENFMT */
376
377/* the following macros are for POSIX conformance */
378#ifndef S_IRWXU
379# define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
380#endif /* S_IRWXU */
381#ifndef S_IRWXG
382# define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
383#endif /* S_IRWXG */
384#ifndef S_IRWXO
385# define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
386#endif /* S_IRWXO */
387
388/*
389 * Access()
390 */
391#ifndef F_OK
392# define F_OK 0
393#endif /* F_OK */
394#ifndef X_OK
395# define X_OK 1
396#endif /* X_OK */
397#ifndef W_OK
398# define W_OK 2
399#endif /* W_OK */
400#ifndef R_OK
401# define R_OK 4
402#endif /* R_OK */
403
404/*
405 * Open()
406 */
407#ifndef O_RDONLY
408# define O_RDONLY       0
409#endif /* O_RDONLY */
410#ifndef O_WRONLY
411# define O_WRONLY       1
412#endif /* O_WRONLY */
413#ifndef O_RDWR
414# define O_RDWR         2
415#endif /* O_RDWR */
416
417/*
418 * Lseek()
419 */
420#ifndef L_SET
421# ifdef SEEK_SET
422#  define L_SET         SEEK_SET
423# else /* !SEEK_SET */
424#  define L_SET         0
425# endif /* SEEK_SET */
426#endif /* L_SET */
427#ifndef L_INCR
428# ifdef SEEK_CUR
429#  define L_INCR        SEEK_CUR
430# else /* !SEEK_CUR */
431#  define L_INCR        1
432# endif /* SEEK_CUR */
433#endif /* L_INCR */
434#ifndef L_XTND
435# ifdef SEEK_END
436#  define L_XTND        SEEK_END
437# else /* !SEEK_END */
438#  define L_XTND        2
439# endif /* SEEK_END */
440#endif /* L_XTND */
441
442#ifdef _SEQUENT_
443# define NEEDgethostname
444#endif /* _SEQUENT_ */
445
446#if defined(BSD) && defined(POSIXJOBS) && !defined(BSD4_4) && !defined(__hp_osf)
447# define setpgid(pid, pgrp)     setpgrp(pid, pgrp)
448#endif /* BSD && POSIXJOBS && && !BSD4_4 && !__hp_osf */
449
450#if defined(BSDJOBS) && !(defined(POSIX) && defined(POSIXJOBS))
451# if !defined(_AIX370) && !defined(_AIXPS2)
452#  define setpgid(pid, pgrp)    setpgrp(pid, pgrp)
453# endif /* !_AIX370 && !_AIXPS2 */
454# define NEEDtcgetpgrp
455#endif /* BSDJOBS && !(POSIX && POSIXJOBS) */
456
457#ifdef RENO
458/*
459 * RENO has this broken. It is fixed on 4.4BSD
460 */
461# define NEEDtcgetpgrp
462#endif /* RENO */
463
464#ifdef DGUX
465# define setpgrp(a, b) setpgrp2(a, b)
466# define getpgrp(a) getpgrp2(a)
467#endif /* DGUX */
468
469#ifdef SXA
470# ifndef _BSDX_
471/*
472 * Only needed in the system V environment.
473 */
474#  define setrlimit     bsd_setrlimit
475#  define getrlimit     bsd_getrlimit
476# endif /* _BSDX_ */
477#endif /* SXA */
478
479#if defined(_MINIX) || defined(__EMX__)
480# define NEEDgethostname
481# define NEEDnice
482# define HAVENOLIMIT
483/*
484 * Minix does not have these, so...
485 */
486# define getpgrp                getpid
487#endif /* _MINIX || __EMX__ */
488
489#ifdef __EMX__
490/* XXX: How can we get the tty name in emx? */
491# define ttyname(fd) (isatty(fd) ? "/dev/tty" : NULL)
492#endif /* __EMX__ */
493
494#ifndef POSIX
495# define mygetpgrp()    getpgrp(0)
496#else /* POSIX */
497# if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4) || defined(IRIS4D) || defined(DGUX) || defined(HPRT)
498#  define mygetpgrp()    getpgrp(0)
499# else /* !((BSD && !BSD4_4) || SUNOS4 || IRIS4D || DGUX || HPRT) */
500#  define mygetpgrp()    getpgrp()
501# endif /* (BSD && BSD4_4) || SUNOS4 || IRISD || DGUX  || HPRT */
502#endif /* POSIX */
503
504
505#if !defined(SOLARIS2) && !defined(sinix) && !defined(BSD4_4) && !defined(WIN32)
506# if (SYSVREL > 0 && !defined(OREO) && !defined(sgi) && !defined(linux) && !defined(sinix) && !defined(_AIX)) || defined(NeXT)
507#  define NEEDgetcwd
508# endif /* (SYSVREL > 0 && !OREO && !sgi && !linux && !sinix && !IBMAIX) || NeXT */
509#endif
510
511#ifndef S_IFLNK
512# define lstat stat
513#endif /* S_IFLNK */
514
515
516#if defined(BSDTIMES) && !defined(_SEQUENT_)
517typedef struct timeval timeval_t;
518#endif /* BSDTIMES && ! _SEQUENT_ */
519
520#ifdef NeXT
521/*
522 * From Tony_Mason@transarc.com, override NeXT's malloc stuff.
523 */
524# define malloc tcsh_malloc
525# define calloc tcsh_calloc
526# define realloc tcsh_realloc
527# define free tcsh_free
528#endif /* NeXT */
529
530#if !defined(POSIX) || defined(SUNOS4) || defined(UTekV) || defined(sysV88)
531extern time_t time();
532extern char *getenv();
533extern int atoi();
534# ifndef __EMX__
535extern char *ttyname();
536# endif /* __EMX__ */
537
538# if defined(SUNOS4)
539#  ifndef toupper
540extern int toupper __P((int));
541#  endif /* toupper */
542#  ifndef tolower
543extern int tolower __P((int));
544#  endif /* tolower */
545extern caddr_t sbrk __P((int));
546#  if SYSVREL == 0 && !defined(__lucid)
547extern int qsort();
548#  endif /* SYSVREL == 0 && !__lucid */
549# else /* !SUNOS4 */
550#  ifndef WINNT
551#   ifndef hpux
552#    if __GNUC__ != 2
553extern int abort();
554#    endif /* __GNUC__ != 2 */
555#    ifndef fps500
556extern int qsort();
557#    endif /* !fps500 */
558#   else /* !hpux */
559extern void abort();
560extern void qsort();
561#   endif /* hpux */
562#  endif /* !WINNT */
563# endif /* SUNOS4 */
564#ifndef _CX_UX
565extern void perror();
566#endif
567
568# ifdef BSDSIGS
569#  if defined(_AIX370) || defined(MACH) || defined(NeXT) || defined(_AIXPS2) || defined(ardent) || defined(SUNOS4) || defined(HPBSD) || defined(__MACHTEN__)
570extern int sigvec();
571extern int sigpause();
572#  else /* !(_AIX370 || MACH || NeXT || _AIXPS2 || ardent || SUNOS4 || HPBSD) */
573#   if (!defined(apollo) || !defined(__STDC__)) && !defined(__DGUX__) && !defined(fps500)
574extern sigret_t sigvec();
575#ifndef _CX_UX
576extern void sigpause();
577#endif /* _CX_UX */
578#   endif /* (!apollo || !__STDC__) && !__DGUX__ && !fps500 */
579#  endif /* _AIX370 || MACH || NeXT || _AIXPS2 || ardent || SUNOS4 || HPBSD */
580extern sigmask_t sigblock();
581extern sigmask_t sigsetmask();
582# endif /* BSDSIGS */
583
584# ifndef killpg
585extern int killpg();
586# endif /* killpg */
587
588# ifndef lstat
589extern int lstat();
590# endif /* lstat */
591
592# ifdef BSD
593extern uid_t getuid(), geteuid();
594extern gid_t getgid(), getegid();
595# endif /* BSD */
596
597# ifdef SYSMALLOC
598extern memalign_t malloc();
599extern memalign_t realloc();
600extern memalign_t calloc();
601extern void free();
602# endif /* SYSMALLOC */
603
604# ifdef BSDTIMES
605extern int getrlimit();
606extern int setrlimit();
607extern int getrusage();
608extern int gettimeofday();
609# endif /* BSDTIMES */
610
611# if defined(NLS) && !defined(NOSTRCOLL) && !defined(NeXT)
612extern int strcoll();
613# endif /* NLS && !NOSTRCOLL && !NeXT */
614
615# ifdef BSDJOBS
616#  ifdef BSDTIMES
617#   ifdef __MACHTEN__
618extern pid_t wait3();
619#   else
620#   ifndef HPBSD
621extern int wait3();
622#   endif /* HPBSD */
623#   endif /* __MACHTEN__ */
624#  else /* !BSDTIMES */
625#   if !defined(POSIXJOBS) && !defined(_SEQUENT_)
626extern int wait3();
627#   else /* POSIXJOBS || _SEQUENT_ */
628extern int waitpid();
629#   endif /* POSIXJOBS || _SEQUENT_ */
630#  endif /* BSDTIMES */
631# else /* !BSDJOBS */
632#  if SYSVREL < 3
633extern int ourwait();
634#  else /* SYSVREL >= 3 */
635extern int wait();
636#  endif /* SYSVREL < 3 */
637# endif /* BSDJOBS */
638
639# ifdef BSDNICE
640extern int setpriority();
641# else /* !BSDNICE */
642extern int nice();
643# endif /* BSDNICE */
644
645# if (!defined(fps500) && !defined(apollo) && !defined(__lucid) && !defined(HPBSD) && !defined(DECOSF1))
646extern void setpwent();
647extern void endpwent();
648# endif /* !fps500 && !apollo && !__lucid && !HPBSD && !DECOSF1 */
649
650# ifndef __STDC__
651extern struct passwd *getpwuid(), *getpwnam(), *getpwent();
652#  ifdef PW_SHADOW
653extern struct spwd *getspnam(), *getspent();
654#  endif /* PW_SHADOW */
655#  ifdef PW_AUTH
656extern struct authorization *getauthuid();
657#  endif /* PW_AUTH */
658# endif /* __STDC__ */
659
660# ifndef getcwd
661extern char *getcwd();
662# endif /* getcwd */
663
664#else /* POSIX || !SUNOS4 || !UTekV || !sysV88 */
665
666# if (defined(SUNOS4) && !defined(__GNUC__)) || defined(_IBMR2) || defined(_IBMESA)
667extern char *getvwd();
668# endif /* (SUNOS4 && ! __GNUC__) || _IBMR2 || _IBMESA */
669
670# ifdef SCO
671extern char *ttyname();   
672# endif /* SCO */
673
674# ifdef __clipper__
675extern char *ttyname();   
676# endif /* __clipper__ */
677
678#endif /* !POSIX || SUNOS4 || UTekV || sysV88 */
679
680#if defined(SUNOS4) && __GNUC__ == 2
681/*
682 * Somehow these are missing
683 */
684extern int ioctl __P((int, int, ...));
685extern int readlink __P((const char *, char *, size_t));
686extern void setgrent __P((void));
687extern void endgrent __P((void));
688# ifdef REMOTEHOST
689struct sockaddr;
690extern int getpeername __P((int, struct sockaddr *, int *));
691# endif /* REMOTEHOST */
692#endif /* SUNOS4 && __GNUC__ == 2 */
693
694#if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4)
695# if defined(__alpha) && defined(__osf__) && DECOSF1 < 200
696extern void bcopy       __P((const void *, void *, size_t));
697#  define memmove(a, b, c) (bcopy((char *) (b), (char *) (a), (int) (c)), a)
698# endif /* __alpha && __osf__ && DECOSF1 < 200 */
699#endif /* (BSD && !BSD4_4) || SUNOS4 */
700
701#if !defined(hpux) && !defined(COHERENT) && ((SYSVREL < 4) || defined(_SEQUENT_)) && !defined(BSD4_4) && !defined(memmove)
702# define NEEDmemmove
703#endif /* !hpux && !COHERENT && (SYSVREL < 4 || _SEQUENT_) && !BSD4_4 && !memmove */
704
705#if defined(UTek) || defined(pyr)
706# define NEEDmemset
707#else /* !UTek && !pyr */
708# ifdef SUNOS4
709#  include <memory.h>   /* memset should be declared in <string.h> but isn't */
710# endif /* SUNOS4 */
711#endif /* UTek || pyr */
712
713#if SYSVREL == 4
714# ifdef REMOTEHOST
715/* Irix6 defines getpeername(int, void *, int *) which conflicts with
716   the definition below. */
717#  if !defined(__sgi)
718struct sockaddr;
719#  endif /* __sgi */
720# endif /* REMOTEHOST */
721# ifndef BSDTIMES
722extern int getrlimit __P((int, struct rlimit *));
723extern int setrlimit __P((int, const struct rlimit *));
724# endif /* !BSDTIMES */
725# if !defined(IRIS4D) && !defined(SOLARIS2)
726extern int wait3();     /* I think some bizarre systems still need this */
727# endif /* !IRIS4D && !SOLARIS2 */
728# if defined(SOLARIS2)
729#  undef NEEDstrerror
730extern char *strerror __P((int));
731# endif /* SOLARIS2 */
732#endif /* SYSVREL == 4 */
733
734#if defined(__alpha) && defined(__osf__) && DECOSF1 < 200
735/* These are ok for 1.3, but conflict with the header files for 2.0 */
736extern int gethostname __P((char *, int));
737extern char *sbrk __P((ssize_t));
738extern int ioctl __P((int, unsigned long, char *));
739extern pid_t vfork __P((void));
740extern int killpg __P((pid_t, int));
741#endif /* __osf__ && __alpha && DECOSF1 < 200 */
742
743#endif /* _h_tc_os */
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