export fn kmain() callconv(.C) void {
    const color: c_short = @intCast(0x0F00);
    const hello: [*:0]const u8 = "Hello zig world!";
    var vga: [*]c_short = @ptrFromInt(0xb8000);
    for (0..16) |i| {
        vga[i+80] = color | hello[i];
    }
}