PFNGLCOPYCOLORSUBTABLEPROC typedef
        PFNGLCOPYCOLORSUBTABLEPROC =
     Void Function(Uint32 target, Uint32 start, Int32 x, Int32 y, Uint32 width)
    
    
    
Implementation
typedef PFNGLCOPYCOLORSUBTABLEPROC =
    Void Function(Uint32 target, Uint32 start, Int32 x, Int32 y, Uint32 width);