xref: /illumos-gate/usr/src/cmd/bnu/strpbrk.c (revision 657a8c206b913d1ee578fd725f0b25eca5b77253)
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, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 #ident	"%Z%%M%	%I%	%E% SMI"	/* from SVR4 bnu:strpbrk.c 2.2 */
27 
28 #include "uucp.h"
29 
30 /*
31  * Return ptr to first occurance of any character from `brkset'
32  * in the character string `string'; NULL if none exists.
33  */
34 
35 char *
36 strpbrk(string, brkset)
37 register char *string, *brkset;
38 {
39 	register char *p;
40 
41 	if(!string || !brkset)
42 		return(0);
43 	do {
44 		for(p=brkset; *p != '\0' && *p != *string; ++p)
45 			;
46 		if(*p != '\0')
47 			return(string);
48 	}
49 	while(*string++);
50 	return(0);
51 }
52