#include <stdio.h>
#include <Windows.h>

void main(void)
{
    wchar_t *msg;
    DWORD dw;
    CreateFileW(L"\\\\.\\LCD", GENERIC_READ | GENERIC_WRITE,
                               FILE_SHARE_READ | FILE_SHARE_WRITE,
                               NULL, OPEN_EXISTING, 0, NULL);
    dw = GetLastError();
    FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
                   | FORMAT_MESSAGE_IGNORE_INSERTS,
                   NULL, dw, MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), (wchar_t *)&msg, 0, NULL);
    fwprintf(stderr, L"%ls", msg);
}