pub struct Burritos_Time {
    seconds: i64,
    nanos: i64
}
pub struct ThreadId{
    id: u64
}
pub struct t_error{
    t: i32
}
extern "C"{
    fn Shutdown() -> ();
    fn SysTime(t: Burritos_Time) -> ();
    fn Exit(status: i32) -> ();
    fn Exec(name: String) -> ThreadId;
    fn newThread(debug_name: String, func: i32, arg: i32) -> ThreadId;
    fn Join (id: ThreadId) -> t_error;
    fn Yield() -> ();
    fn Perror(mess: String) -> ();

}