ref: d02dde25b6faa53013cbbb9894f1539645093ee5
dir: /tests/libc/execute/0016-strcspn.c/
#include <assert.h> #include <stdio.h> #include <string.h> /* output: testing done end: */ int main() { puts("testing"); assert(strcspn("0125", "56789") == 3); assert(strcspn("", "56789") == 0); assert(strcspn("01234", "") == 5); assert(strcspn("", "") == 0); puts("done"); return 0; }