
  TYPE
    iot$element_mode = record
      inhibit_allocation: iot$inhibit_allocation,
      read_write_mode: iot$read_write_mode,
    recend,

    iot$inhibit_allocation = boolean,
    iot$read_write_mode = (ioc$normal, ioc$read_only, ioc$write_only,
      ioc$idle);
