ref: 0663aab4168efce2a70f907b7d723c1c85122c27
dir: /tests/libc/execute/0029-memchr.c/
#include <assert.h> #include <stdio.h> #include <string.h> /* output: testing done end: */ int main() { char buf[] = {0, 1, 2, 3, 4, 160}; puts("testing"); assert(memchr(buf, 2, 6) == buf+2); assert(memchr(buf, 2, 0) == NULL); assert(memchr(buf, 150, 6) == NULL); assert(memchr(buf, 160, 6) == buf+5); puts("done"); return 0; }