-inline void SDLInitVideoBuffer(DrawBuffer *, DrawWindow *, boolean);
-inline boolean SDLSetVideoMode(DrawBuffer *, boolean);
-inline void SDLCopyArea(Bitmap, Bitmap, int, int, int, int, int, int, int);
-inline void SDLFillRectangle(Bitmap, int, int, int, int, unsigned int);
+inline void SDLInitVideoBuffer(DrawBuffer **, DrawWindow **, boolean);
+inline boolean SDLSetVideoMode(DrawBuffer **, boolean);
+inline void SDLCopyArea(Bitmap *, Bitmap *, int, int, int, int, int, int, int);
+inline void SDLFillRectangle(Bitmap *, int, int, int, int, unsigned int);