xref: /original-bsd/lib/libc/string/rindex.c (revision e0c0d005)
1 /*
2  * Copyright (c) 1988 Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #if defined(LIBC_SCCS) && !defined(lint)
9 static char sccsid[] = "@(#)rindex.c	5.9 (Berkeley) 02/24/91";
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, ch;
22 {
23 	register char *save;
24 
25 	for (save = NULL;; ++p) {
26 		if (*p == ch)
27 			save = (char *)p;
28 		if (!*p)
29 			return(save);
30 	}
31 	/* NOTREACHED */
32 }
33