ref: d7f0e25b97d041a2645e2d90f6033949b01c7cc6 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; }