
  TYPE
    iot$rb_device_io = packed record
      request_code: ALIGNED [0 MOD 8] syt$monitor_request_code,
      status: syt$monitor_status,
      pva: ^cell,
      length: ost$byte_count,
      io_function: iot$io_function,
      device_address: dmt$ms_logical_device_address,
      completion: ^iot$completion_status,
    recend;

*copyc SYC$MONITOR_REQUEST_CODES
*copyc OST$HARDWARE_SUBRANGES
*copyc IOT$IO_FUNCTION
*copyc SYT$MONITOR_REQUEST_CODE
*copyc DMT$MS_LOGICAL_DEVICE_ADDRESS
*copyc IOT$COMPLETION_STATUS
