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DEFINITION MODULE IOResult;
  
  (* Read results for specified channels *)
  
IMPORT IOConsts, IOChan;
  
TYPE
  ReadResults = IOConsts.ReadResults;
  
  (*
    ReadResults =  (* This type is used to classify the result of an input operation *)
    (
      notKnown,    (* no read result is set *)
      allRight,    (* data is as expected or as required *)
      outOfRange,  (* data cannot be represented *)
      wrongFormat, (* data not in expected format *)
      endOfLine,   (* end of line seen before expected data *)
      endOfInput   (* end of input seen before expected data *)
    );
  *)
  
PROCEDURE ReadResult (cid: IOChan.ChanId): ReadResults;
  (* Returns the result for the last read operation on the channel cid. *)
  
END IOResult.