xref: /titanic_41/usr/src/lib/libbc/libc/gen/common/strrchr.c (revision fcf3ce441efd61da9bb2884968af01cb7c1452cc)
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 the ptr in sp at which the character c last
30  * appears; NULL if not found
31 */
32 
33 #define NULL 0
34 
35 char *
36 strrchr(sp, c)
37 register char *sp, c;
38 {
39 	register char *r;
40 
41 	r = NULL;
42 	do {
43 		if(*sp == c)
44 			r = sp;
45 	} while(*sp++);
46 	return(r);
47 }
48