use std.dylib;
use std.os;

var (
    kbhit,
    getch,
    nonblock
) = func {
    var lib = dylib.dlopen("libkey");
    var kb = lib.nas_kbhit;
    var gt = lib.nas_getch;
    var nb = lib.nas_noblock;
    var call = dylib.limitcall(0);
    return [
        func() {return call(kb);},
        func() {return call(gt);},
        func() {return call(nb);}
    ];
}();