PFNGLVERTEXPOINTEREXTPROC typedef
        PFNGLVERTEXPOINTEREXTPROC =
     Void Function(Int32 size, Uint32 type, Uint32 stride, Uint32 count, Pointer<NativeType>  pointer)
    
    
    
Implementation
typedef PFNGLVERTEXPOINTEREXTPROC =
    Void Function(
      Int32 size,
      Uint32 type,
      Uint32 stride,
      Uint32 count,
      Pointer<NativeType> pointer,
    );