*COMDECK TYPBLK 
_*****************************
*                            *
*  BLOCK PROTOCOL TYPES      *
*                            *
*****************************?
                                                         _ 83/01/27 ? 
                  _#STATIC LOGICAL LINK CONTROL BLOCK#? 
     B0SLLCB = PACKED RECORD
                 BLCDS   : BOOLEAN;         _ CONNECTION DIRECTORY     ?
                 BLCNFST : C7CNFST;         _ CONFIGURATION STATE      ?
                 BLDNRMT : BOOLEAN;         _ REMOTE DN FLAG           ?
                 BLDNHST : BOOLEAN;         _ HOST DN INDICATOR        ?
                 BLSNRMT : BOOLEAN;         _ REMOTE SN INDICATOR      ?
                 BLSNHST : BOOLEAN;         _ HOST SN INDICATOR        ?
                 BLTNS   : BOOLEAN;         _ NS AVAIL OVER LOCAL LINK ?
                 BLTCS   : BOOLEAN;         _ CS AVAIL OVER LOCAL LINK ?
                 BLTREG  : B02BITS;         _ LAST XMITTED LOC REG LEV ?
                 BLNS    : BOOLEAN;         _ NS AVAIL VIA DISTANT LINK?
                 BLCS    : BOOLEAN;         _ CS AVAIL VIA DISTANT LINK?
                 BLREG   : B02BITS;         _ DISTANT END REG LEVEL    ?
                 BLCONDIR : B0BUFPTR;  _ CONNECTION DIR/COUPLE TCB ?
                 BLDN,                 _ DESTINATION NODE          ?
                 BLSN:    B08BITS;          _SOURCE NODE               ?
                 BLCHAIN : B0BUFPTR;   _CHAIN TO NEXT LLCB             ?
                 BLHO   : B08BITS;          _HOST ORDINAL              ?
                 BLCOUNT : B08BITS;         _NR OF CONNECTIONS         ?
                 BLTE : INTEGER;            _ LL STATE EXPIRATION TIME.?
                 CASE BLCASE:INTEGER OF 
                   0:(BLDUM1 : B015BITS;
                     BLOP : BOOLEAN);      _  LL OPERATIONAL FLAG.    ? 
                   1:(BLSTE : INTEGER);     _  LL STATE.               ?
                   2:(BLLAST : INTEGER);    _ MUST BE LAST LLCB FIELD  ?
               END; 
      BLLCB = PACKED RECORD                 _USED IN BUFFER OVERLAY    ?
                BLSPART : B0SLLCB;          _STATIC LLCB ONLY          ?
              END;
