SDL_LockYUVOverlay - Lock an overlay

       Much the same as SDL_LockSurface, SDL_LockYUVOverlay locks the overlay for direct access to pixel data.

       SDL_LockYUVOverlay - Lock an overlay

       Returns 0 on success, or -1 on an error.

SDL_UnlockYUVOverlay, SDL_CreateYUVOverlay, SDL_Overlay

SDL                                          Tue 11 Sep 2001, 23:01                        SDL_LockYUVOverlay(3)

#include"SDL.h"intSDL_LockYUVOverlay(SDL_Overlay*overlay);