ref: 66b39b58b8cda3e3c3a86c23401cad0e670a3432 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) ? (char *) s : NULL; }