code: def _create_gnu_long_header(cls, name, type, encoding, errors):
          
          name = name.encode(encoding, errors) + NUL
  
          info = {}
          info["name"] = "././@LongLink"
          info["type"] = type
          info["size"] = len(name)
          info["magic"] = GNU_MAGIC
  
          # create extended header + name blocks.
          return cls._create_header(info, USTAR_FORMAT, encoding, errors) + \
                  cls._create_payload(name)
docs: Return a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence
             for name.