winmain.zig

// use @import("std").os.windows;
pub const HANDLE = *c_void;
pub const LPCTSTR = [*]const u8;
pub const UINT = c_uint;
pub const HINSTANCE = *@OpaqueType();
pub const PWSTR = [*]u16;
pub const INT = c_int;

extern "user32" stdcallcc fn MessageBoxA(hWnd: ?HANDLE, lpText: ?LPCTSTR, lpCaption: ?LPCTSTR, uType: UINT) c_int;

export fn WinMain(hInstance: HINSTANCE, hPrevInstance: HINSTANCE, lpCmdLine: PWSTR, nCmdShow: INT) INT {
    _ = MessageBoxA(null, c"hello", c"title", 0);
    return 0;
}