>>source format is fixed
       *>
         01  status-code		pic x(2) value spaces.
             88  SUCCESS                    value '00'.
             88  SUCCESS_DUPLICATE          value '02'.
             88  SUCCESS_INCOMPLETE         value '04'.
             88  SUCCESS_OPTIONAL           value '05'.
             88  SUCCESS_NO_UNIT            value '07'.
             88  END_OF_FILE                value '10'.
             88  OUT_OF_KEY_RANGE           value '14'.
             88  KEY_INVALID                value '21'.
             88  KEY_EXISTS                 value '22'.
             88  KEY_NOT_EXISTS             value '23'.
             88  PERMANENT_ERROR            value '30'.
             88  INCONSISTENT_FILENAME      value '31'.
             88  BOUNDARY_VIOLATION         value '34'.
             88  NOT_EXISTS                 value '35'.
             88  PERMISSION_DENIED          value '37'.
             88  CLOSED_WITH_LOCK           value '38'.
             88  CONFLICT_ATTRIBUTE         value '39'.
             88  ALREADY_OPEN               value '41'.
             88  NOT_OPEN                   value '42'.
             88  READ_NOT_DONE              value '43'.
             88  RECORD_OVERFLOW            value '44'.
             88  READ_ERROR                 value '46'.
             88  INPUT_DENIED               value '47'.
             88  OUTPUT_DENIED              value '48'.
             88  I_O_DENIED                 value '49'.
             88  RECORD_LOCKED              value '51'.
             88  EOP                        value '52'.
             88  I_O_LINAGE                 value '57'.
             88  FILE_SHARING               value '61'.
             88  NOT_AVAILABLE              value '91'.