1 /* $NetBSD: strpbrk.c,v 1.1.1.1 2009/04/12 15:33:26 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 * 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