Calling C: Numbers

extern c "m" {
    fn cbrt(x: Float) -> Float
    fn pow(x: Float, y: Float) -> Float
}

extern c "c" {
    fn llabs(n: Int) -> Int
}

fn cube_root(x: Float) -> Float {
    unsafe { cbrt(x) }
}

fn power(x: Float, y: Float) -> Float {
    unsafe { pow(x, y) }
}

fn absolute(n: Int) -> Int {
    unsafe { llabs(n) }
}

fn main() {
    print(cube_root(27.0))
    print(power(2.0, 10.0))
    print(absolute(-42))
}