ref: 97426651206b41873b551f25c26f70967b769ef8
dir: /libc/src/strrchr.c/
/* See LICENSE file for copyright and license details. */ #include <string.h> char * strrchr(const char *s, int c) { const char *t = s; while (*t) ++t; while (t > s && *t != c) --t; return (*t == c) ? (char *)t : NULL; }