SdlBlitDart typedef
SdlBlitDart =
int Function(Pointer<SdlSurface> , Pointer<SdlRect> , Pointer<SdlSurface> , Pointer<SdlRect> )
Implementation
typedef SdlBlitDart = int Function(Pointer<SdlSurface>, Pointer<SdlRect>,
Pointer<SdlSurface>, Pointer<SdlRect>);