xref: /titanic_52/usr/src/lib/libresolv2/common/bsd/strpbrk.c (revision 9525b14bcdeb5b5f6f95ab27c2f48f18bd2ec829)
17c478bd9Sstevel@tonic-gate #if defined(LIBC_SCCS) && !defined(lint)
27c478bd9Sstevel@tonic-gate static const char sccsid[] = "@(#)strpbrk.c	8.1 (Berkeley) 6/4/93";
3*9525b14bSRao Shoaib static const char rcsid[] = "$Id: strpbrk.c,v 1.2 2005/04/27 04:56:12 sra Exp $";
47c478bd9Sstevel@tonic-gate #endif /* LIBC_SCCS and not lint */
57c478bd9Sstevel@tonic-gate 
67c478bd9Sstevel@tonic-gate /*
77c478bd9Sstevel@tonic-gate  * Copyright (c) 1985, 1993
87c478bd9Sstevel@tonic-gate  *    The Regents of the University of California.  All rights reserved.
97c478bd9Sstevel@tonic-gate  *
107c478bd9Sstevel@tonic-gate  * Redistribution and use in source and binary forms, with or without
117c478bd9Sstevel@tonic-gate  * modification, are permitted provided that the following conditions
127c478bd9Sstevel@tonic-gate  * are met:
137c478bd9Sstevel@tonic-gate  * 1. Redistributions of source code must retain the above copyright
147c478bd9Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer.
157c478bd9Sstevel@tonic-gate  * 2. Redistributions in binary form must reproduce the above copyright
167c478bd9Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer in the
177c478bd9Sstevel@tonic-gate  *    documentation and/or other materials provided with the distribution.
187c478bd9Sstevel@tonic-gate  * 3. All advertising materials mentioning features or use of this software
197c478bd9Sstevel@tonic-gate  *    must display the following acknowledgement:
207c478bd9Sstevel@tonic-gate  * 	This product includes software developed by the University of
217c478bd9Sstevel@tonic-gate  * 	California, Berkeley and its contributors.
227c478bd9Sstevel@tonic-gate  * 4. Neither the name of the University nor the names of its contributors
237c478bd9Sstevel@tonic-gate  *    may be used to endorse or promote products derived from this software
247c478bd9Sstevel@tonic-gate  *    without specific prior written permission.
257c478bd9Sstevel@tonic-gate  *
267c478bd9Sstevel@tonic-gate  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
277c478bd9Sstevel@tonic-gate  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
287c478bd9Sstevel@tonic-gate  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
297c478bd9Sstevel@tonic-gate  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
307c478bd9Sstevel@tonic-gate  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
317c478bd9Sstevel@tonic-gate  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
327c478bd9Sstevel@tonic-gate  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
337c478bd9Sstevel@tonic-gate  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
347c478bd9Sstevel@tonic-gate  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
357c478bd9Sstevel@tonic-gate  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
367c478bd9Sstevel@tonic-gate  * SUCH DAMAGE.
377c478bd9Sstevel@tonic-gate  */
387c478bd9Sstevel@tonic-gate 
397c478bd9Sstevel@tonic-gate #include "port_before.h"
407c478bd9Sstevel@tonic-gate 
417c478bd9Sstevel@tonic-gate #include <sys/param.h>
427c478bd9Sstevel@tonic-gate #include <sys/cdefs.h>
437c478bd9Sstevel@tonic-gate 
447c478bd9Sstevel@tonic-gate #include <string.h>
457c478bd9Sstevel@tonic-gate 
467c478bd9Sstevel@tonic-gate #include "port_after.h"
477c478bd9Sstevel@tonic-gate 
487c478bd9Sstevel@tonic-gate #ifndef NEED_STRPBRK
497c478bd9Sstevel@tonic-gate int __strpbrk_unneeded__;
507c478bd9Sstevel@tonic-gate #else
517c478bd9Sstevel@tonic-gate 
52*9525b14bSRao Shoaib /*%
537c478bd9Sstevel@tonic-gate  * Find the first occurrence in s1 of a character in s2 (excluding NUL).
547c478bd9Sstevel@tonic-gate  */
557c478bd9Sstevel@tonic-gate char *
567c478bd9Sstevel@tonic-gate strpbrk(const char *s1, const char *s2) {
577c478bd9Sstevel@tonic-gate 	const char *scanp;
587c478bd9Sstevel@tonic-gate 	int c, sc;
597c478bd9Sstevel@tonic-gate 
607c478bd9Sstevel@tonic-gate 	while ((c = *s1++) != 0) {
617c478bd9Sstevel@tonic-gate 		for (scanp = s2; (sc = *scanp++) != 0;)
627c478bd9Sstevel@tonic-gate 			if (sc == c)
637c478bd9Sstevel@tonic-gate 				return ((char *)(s1 - 1));
647c478bd9Sstevel@tonic-gate 	}
657c478bd9Sstevel@tonic-gate 	return (NULL);
667c478bd9Sstevel@tonic-gate }
677c478bd9Sstevel@tonic-gate 
687c478bd9Sstevel@tonic-gate #endif /*NEED_STRPBRK*/
69*9525b14bSRao Shoaib 
70*9525b14bSRao Shoaib /*! \file */
71