INT WINAPI FASTCLS ( WCHAR *psz )
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
DWORD dwWritten;
COORD cdZero = {0, 0};
GetConsoleScreenBufferInfo(STD_OUT, &csbi);
FillConsoleOutputAttribute(STD_OUT, csbi.wAttributes,
csbi.dwSize.X * csbi.dwSize.Y, cdZero, &dwWritten);
FillConsoleOutputCharacter(STD_OUT, L' ',
csbi.dwSize.X * csbi.dwSize.Y, cdZero, &dwWritten);
SetConsoleCursorPosition(STD_OUT, cdZero);
return 0;
}