PFNGLGETTRANSFORMFEEDBACKVARYINGEXTPROC typedef
        PFNGLGETTRANSFORMFEEDBACKVARYINGEXTPROC =
     Void Function(Uint32 program, Uint32 index, Uint32 bufSize, Pointer<Uint32>  length, Pointer<Uint32>  size, Pointer<Uint32>  type, Pointer<Int8>  name)
    
    
    
Implementation
typedef PFNGLGETTRANSFORMFEEDBACKVARYINGEXTPROC =
    Void Function(
      Uint32 program,
      Uint32 index,
      Uint32 bufSize,
      Pointer<Uint32> length,
      Pointer<Uint32> size,
      Pointer<Uint32> type,
      Pointer<Int8> name,
    );