xref: /onnv-gate/usr/src/lib/libbc/libc/gen/common/strrchr.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*      Copyright (c) 1984 AT&T */
23*0Sstevel@tonic-gate /*        All Rights Reserved   */
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"  /* from S5R2 1.2 */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*LINTLIBRARY*/
28*0Sstevel@tonic-gate /*
29*0Sstevel@tonic-gate  * Return the ptr in sp at which the character c last
30*0Sstevel@tonic-gate  * appears; NULL if not found
31*0Sstevel@tonic-gate */
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #define NULL 0
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate char *
strrchr(sp,c)36*0Sstevel@tonic-gate strrchr(sp, c)
37*0Sstevel@tonic-gate register char *sp, c;
38*0Sstevel@tonic-gate {
39*0Sstevel@tonic-gate 	register char *r;
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate 	r = NULL;
42*0Sstevel@tonic-gate 	do {
43*0Sstevel@tonic-gate 		if(*sp == c)
44*0Sstevel@tonic-gate 			r = sp;
45*0Sstevel@tonic-gate 	} while(*sp++);
46*0Sstevel@tonic-gate 	return(r);
47*0Sstevel@tonic-gate }
48