var x [5]int64
	exp := int64(C.issue5603exp)
	x[0] = int64(C.issue5603foo0())
	x[1] = int64(C.issue5603foo1(nil))
	x[2] = int64(C.issue5603foo2(nil, nil))
	x[3] = int64(C.issue5603foo3(nil, nil, nil))
	x[4] = int64(C.issue5603foo4(nil, nil, nil, nil))
	for i, v := range x {
		if v != exp {
			t.Errorf("issue5603foo%d() returns %v, expected %v", i, v, exp)
		}
	}
}

// issue 5337