PFNGLTEXTURESTORAGEMEM3DEXTPROC typedef
        PFNGLTEXTURESTORAGEMEM3DEXTPROC =
     Void Function(Uint32 texture, Uint32 levels, Uint32 internalFormat, Uint32 width, Uint32 height, Uint32 depth, Uint32 memory, Uint64 offset)
    
    
    
Implementation
typedef PFNGLTEXTURESTORAGEMEM3DEXTPROC =
    Void Function(
      Uint32 texture,
      Uint32 levels,
      Uint32 internalFormat,
      Uint32 width,
      Uint32 height,
      Uint32 depth,
      Uint32 memory,
      Uint64 offset,
    );