xref: /original-bsd/lib/libc/string/rindex.c (revision 514cbc2d)
1 /*
2  * Copyright (c) 1988, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #if defined(LIBC_SCCS) && !defined(lint)
9 static char sccsid[] = "@(#)rindex.c	8.1 (Berkeley) 06/04/93";
10 #endif /* LIBC_SCCS and not lint */
11 
12 #include <stddef.h>
13 #include <string.h>
14 
15 char *
16 #ifdef STRRCHR
17 strrchr(p, ch)
18 #else
19 rindex(p, ch)
20 #endif
21 	register const char *p;
22 	register int ch;
23 {
24 	register char *save;
25 
26 	for (save = NULL;; ++p) {
27 		if (*p == ch)
28 			save = (char *)p;
29 		if (!*p)
30 			return(save);
31 	}
32 	/* NOTREACHED */
33 }
34