_, _ = s, b
	C.cstring_pointer_fun(nil)
}

// issue 18126

func test18126(t *testing.T) {
	p := C.malloc(1)
	_, err := C.Issue18126C(&p)
	C.free(p)
	_ = err
}

// issue 18720

func test18720(t *testing.T) {
	if got, want := C.HELLO_WORLD, "hello\000world"; got != want {
		t.Errorf("C.HELLO_WORLD == %q, expected %q", got, want)
	}