void BlitTextureMasked(Bitmap *, int, int, int, int, int, int);
void BlitToScreen(Bitmap *, int, int, int, int, int, int);
void BlitToScreenMasked(Bitmap *, int, int, int, int, int, int);
-void DrawSimpleBlackLine(Bitmap *, int, int, int, int);
void DrawSimpleWhiteLine(Bitmap *, int, int, int, int);
void DrawLines(Bitmap *, struct XY *, int, Pixel);
Pixel GetPixel(Bitmap *, int, int);
Pixel GetPixelFromRGB(Bitmap *, unsigned int,unsigned int,unsigned int);
-Pixel GetPixelFromRGBcompact(Bitmap *, unsigned int);
void KeyboardAutoRepeatOn(void);
void KeyboardAutoRepeatOff(void);