code: def get_pdu_length(self):
          
          logger.info("getting PDU length")
          requested_ = c_uint16()
          negotiated_ = c_uint16()
          code = self.library.Cli_GetPduLength(self.pointer, byref(requested_), byref(negotiated_))
          check_error(code)
  
          return negotiated_.value
docs: Returns info about the PDU length.