BSD 4 development

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

/*
* 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);
}