xref: /netbsd/external/bsd/libbind/dist/bsd/strpbrk.c (revision e6e30c83)
1 /*	$NetBSD: strpbrk.c,v 1.1.1.2 2012/09/09 16:07:42 christos Exp $	*/
2 
3 #if defined(LIBC_SCCS) && !defined(lint)
4 static const char sccsid[] = "@(#)strpbrk.c	8.1 (Berkeley) 6/4/93";
5 static const char rcsid[] = "Id: strpbrk.c,v 1.2 2005/04/27 04:56:12 sra Exp ";
6 #endif /* LIBC_SCCS and not lint */
7 
8 /*
9  * Copyright (c) 1985, 1993
10  *    The Regents of the University of California.  All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  * 	This product includes software developed by the University of
23  * 	California, Berkeley and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  */
40 
41 #include "port_before.h"
42 
43 #include <sys/param.h>
44 #include <sys/cdefs.h>
45 
46 #include <string.h>
47 
48 #include "port_after.h"
49 
50 #ifndef NEED_STRPBRK
51 int __strpbrk_unneeded__;
52 #else
53 
54 /*%
55  * Find the first occurrence in s1 of a character in s2 (excluding NUL).
56  */
57 char *
strpbrk(const char * s1,const char * s2)58 strpbrk(const char *s1, const char *s2) {
59 	const char *scanp;
60 	int c, sc;
61 
62 	while ((c = *s1++) != 0) {
63 		for (scanp = s2; (sc = *scanp++) != 0;)
64 			if (sc == c)
65 				return ((char *)(s1 - 1));
66 	}
67 	return (NULL);
68 }
69 
70 #endif /*NEED_STRPBRK*/
71 
72 /*! \file */
73