pub const RAND_MAX: u8 = 255;
pub const RANDW_MAX: u16 = 65535;
extern "C" {
#[link_name="initrand __sdcccall(0)"]
pub fn initrand(seed: u16);
#[link_name="rand __sdcccall(0)"]
pub fn rand() -> u8;
#[link_name="randw __sdcccall(0)"]
pub fn randw() -> u16;
#[link_name="initarand __sdcccall(0)"]
pub fn initarand(seed: u16);
#[link_name="arand __sdcccall(0)"]
pub fn arand() -> u8;
}