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 #pragma ident "%Z%%M% %I% %E% SMI"
23 /* from UCB 4.1 80/12/21 */
24
25 /*
26 * Return the ptr in sp at which the character c last
27 * appears; NULL if not found
28 */
29
30 #define NULL 0
31
32 char *
rindex(sp,c)33 rindex(sp, c)
34 register char *sp, c;
35 {
36 register char *r;
37
38 r = NULL;
39 do {
40 if (*sp == c)
41 r = sp;
42 } while (*sp++);
43 return (r);
44 }
45