ref: 9910099b383e28a0a8b9b8c26ea99a5a2d77f5b3 dir: /src/libc/string/strchr.c/
#include <string.h> #undef strchr char * strchr(const char *s, int c) { while (*s && *s != c) ++s; return (*s == c) ? s : NULL; }