2.11BSD/src/lib/libc/gen/rindex.c

Compare this file to the similar file:
Show the results in this format:

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)rindex.c	5.2 (Berkeley) 3/9/86";
#endif LIBC_SCCS and not lint

/*
 * Return the ptr in sp at which the character c last
 * appears; NULL if not found
 */

#define NULL 0

char *
rindex(sp, c)
register char *sp, c;
{
	register char *r;

	r = NULL;
	do {
		if (*sp == c)
			r = sp;
	} while (*sp++);
	return(r);
}