__VGLBitmapCopy
error = __VGLBitmapCopy(src, srcx, srcy, dst, dstx, dsty, width, hight);
__VGLBitmapCopy(VGLDisplay, VGLMouseXpos, VGLMouseYpos,
__VGLBitmapCopy(&buffer, 0, 0, VGLDisplay,
__VGLBitmapCopy(&VGLMouseSave, 0, 0, VGLDisplay,
int __VGLBitmapCopy(VGLBitmap *src, int srcx, int srcy, VGLBitmap *dst, int dstx, int dsty, int width, int hight);