PFNGLVDPAUMAPSURFACESNVPROC typedef
        PFNGLVDPAUMAPSURFACESNVPROC =
     Void Function(Uint32 numSurfaces, Pointer<Pointer<NativeType> >  surfaces)
    
    
    
Implementation
typedef PFNGLVDPAUMAPSURFACESNVPROC =
    Void Function(Uint32 numSurfaces, Pointer<Pointer<NativeType>> surfaces);