[unix-history] / usr / src / lib / libc / gen / rindex.c

/* @(#)rindex.c	4.1 (Berkeley) 12/21/80 */
/*
 * 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);
}
Commit	Line	Data
4b9ccde7	1	/* @(#)rindex.c 4.1 (Berkeley) 12/21/80 */
9c8fc5ca BJ	2	/*
	3	* Return the ptr in sp at which the character c last
	4	* appears; NULL if not found
	5	*/
	6
	7	#define NULL 0
	8
	9	char *
	10	rindex(sp, c)
	11	register char *sp, c;
	12	{
	13	register char *r;
	14
	15	r = NULL;
	16	do {
	17	if (*sp == c)
	18	r = sp;
	19	} while (*sp++);
	20	return(r);
	21	}