Function CreateWindowExA

pub unsafe extern "C" fn CreateWindowExA(
    dwExStyle: DWORD,
    lpClassName: LPCSTR,
    lpWindowName: LPCSTR,
    dwStyle: DWORD,
    X: c_int,
    Y: c_int,
    nWidth: c_int,
    nHeight: c_int,
    hWndParent: HWND,
    hMenu: HMENU,
    hInstance: HINSTANCE,
    lpParam: LPVOID,
) -> HWND