BSD 4_1c_2 release

[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);
}