xref: /titanic_41/usr/src/lib/libbc/libc/gen/common/strpbrk.c (revision b3697b90e692e3e5d859fb77d285d4c056d99eda)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*      Copyright (c) 1984 AT&T */
23 /*        All Rights Reserved   */
24 
25 #pragma ident	"%Z%%M%	%I%	%E% SMI"  /* from S5R2 1.2 */
26 
27 /*LINTLIBRARY*/
28 /*
29  * Return ptr to first occurance of any character from `brkset'
30  * in the character string `string'; NULL if none exists.
31  */
32 
33 #define	NULL	(char *) 0
34 
35 char *
36 strpbrk(string, brkset)
37 register char *string, *brkset;
38 {
39 	register char *p;
40 
41 	do {
42 		for(p=brkset; *p != '\0' && *p != *string; ++p)
43 			;
44 		if(*p != '\0')
45 			return(string);
46 	}
47 	while(*string++);
48 	return(NULL);
49 }
50