source: trunk/athena/etc/ftpd/strpbrk.c @ 6079

Revision 6079, 1.4 KB checked in by cfields, 33 years ago (diff)
Initial revision
Line 
1/*
2 * Copyright (c) 1988 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms are permitted
6 * provided that the above copyright notice and this paragraph are
7 * duplicated in all such forms and that any documentation,
8 * advertising materials, and other materials related to such
9 * distribution and use acknowledge that the software was developed
10 * by the University of California, Berkeley.  The name of the
11 * University may not be used to endorse or promote products derived
12 * from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16 */
17
18#if defined(LIBC_SCCS) && !defined(lint)
19static char sccsid[] = "@(#)strpbrk.c   5.5 (Berkeley) 7/14/88 + portability hacks by rick@seismo.css.gov";
20#endif /* LIBC_SCCS and not lint */
21
22#include <sys/param.h>
23#ifndef UCHAR_MAX
24#define UCHAR_MAX 0xFF
25#endif
26
27char *
28strpbrk(str, chars)
29        register char *str, *chars;
30{
31        static u_char charmap[UCHAR_MAX];
32        register int ch;
33        register char *p;
34
35        for (p = chars; ch = *p++;)
36                charmap[ch] = 1;
37        p = NULL;
38        for (; ch = *str; ++str)
39                if (charmap[ch]) {
40                        p = str;
41                        break;
42                }
43        while (ch = *chars++)
44                charmap[ch] = 0;
45        return(p);
46}
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