1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                  Common Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*            http://www.opensource.org/licenses/cpl1.0.txt             *
11*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                 Glenn Fowler <gsf@research.att.com>                  *
18*                  David Korn <dgk@research.att.com>                   *
19*                   Phong Vo <kpv@research.att.com>                    *
20*                                                                      *
21***********************************************************************/
22#pragma prototyped
23
24#include <ast.h>
25
26#if _lib_strrchr
27
28NoN(strrchr)
29
30#else
31
32#undef	strrchr
33
34#if _lib_rindex
35
36#undef	rindex
37
38extern char*	rindex(const char*, int);
39
40char*
41strrchr(const char* s, int c)
42{
43	return(rindex(s, c));
44}
45
46#else
47
48char*
49strrchr(register const char* s, register int c)
50{
51	register const char*	r;
52
53	r = 0;
54	do if (*s == c) r = s; while(*s++);
55	return((char*)r);
56}
57
58#endif
59
60#endif
61