*COMDECK SCCSHDDCL           CONSTRAINT HEADER WORDS                     FIRST
          ITEM SCCSDATATYP U(00,00,06);   # TYPE - 11 - CONSTRAINT     # FIRST
          ITEM SCCSSUBTYP  U(00,06,06);   # SUB-TYPE  1 - INTER-RECORD # FIRST
                                          #           2 - INTRA-RECORD # FIRST
          ITEM SCCSNAMLENW U(00,12,03);   # NAME LENGTH IN WORDS       # FIRST
          ITEM SCCSNAMLENC U(00,15,06);   # NAME LENGTH IN CHARACTERS  # FIRST
          ITEM SCCSENTLEN  U(00,21,12);   # ENTRY LENGTH               # FIRST
          ITEM SCCSNAMPTR  U(00,33,12);   # OFFSET POINTER TO NAME     # FIRST
          ITEM SCCSCITORD  U(00,48,12);   # CONSTRAINT ORDINAL IN CIT  # BG 
