! *** PREDECLARED TYPES
     
      %IF %DECLARED ( %BASIC$QUADWORD_DECLARED ) = 0 %THEN
         RECORD BASIC$QUADWORD
            LONG FILL ( 2 )
         END RECORD
         %LET %BASIC$QUADWORD_DECLARED = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$OCTAWORD_DECLARED ) = 0 %THEN
         RECORD BASIC$OCTAWORD
            LONG FILL ( 4 )
         END RECORD
         %LET %BASIC$OCTAWORD_DECLARED = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$HFLOAT_AXP_DECLARED ) = 0 %THEN
         RECORD BASIC$HFLOAT_AXP
            LONG FILL ( 4 )
         END RECORD
         %LET %BASIC$HFLOAT_AXP_DECLARED = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$F_FLOATING_COMPLEX_DECL ) = 0 %THEN
         RECORD BASIC$F_FLOATING_COMPLEX
            SINGLE REAL_PART
            SINGLE IMAGINARY_PART
         END RECORD
         %LET %BASIC$F_FLOATING_COMPLEX_DECL = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$D_FLOATING_COMPLEX_DECL ) = 0 %THEN
         RECORD BASIC$D_FLOATING_COMPLEX
            DOUBLE REAL_PART
            DOUBLE IMAGINARY_PART
         END RECORD
         %LET %BASIC$D_FLOATING_COMPLEX_DECL = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$G_FLOATING_COMPLEX_DECL ) = 0 %THEN
         RECORD BASIC$G_FLOATING_COMPLEX
            GFLOAT REAL_PART
            GFLOAT IMAGINARY_PART
         END RECORD
         %LET %BASIC$G_FLOATING_COMPLEX_DECL = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$H_FLOAT_AXP_CMPLX_DCL ) = 0 %THEN
         RECORD BASIC$H_FLOATING_COMPLEX_AXP
            BASIC$HFLOAT_AXP REAL_PART
            BASIC$HFLOAT_AXP IMAGINARY_PART
         END RECORD
         %LET %BASIC$H_FLOAT_AXP_CMPLX_DCL = 1
      %END %IF
    
    
    ! 
    !         Journal XAB definitions
    !                 $xabjnldef
    ! 
      DECLARE LONG CONSTANT XAB$C_JNL = 34  !  xabjnl id code
      DECLARE LONG CONSTANT XAB$C_JNL_TYPE_NONE = 0
      DECLARE LONG CONSTANT XAB$C_AI = 1    !  AI journal
      DECLARE LONG CONSTANT XAB$C_BI = 2    !  BI journal
      DECLARE LONG CONSTANT XAB$C_AT = 3    !  AT journal
      DECLARE LONG CONSTANT XAB$C_RU_DEFAULT = 4  !  default RU volume
      DECLARE LONG CONSTANT XAB$M_JOURNAL_DISABLED = x'00000001'
      DECLARE LONG CONSTANT XAB$M_BACKUP_DONE = x'00000002'
      DECLARE LONG CONSTANT XAB$S_XABJNLDEF = 80
      record XABJNLDEF
         BYTE XABJNLDEF$$_FILL_1
         BYTE XABJNLDEF$$_FILL_2
         WORD XABJNLDEF$$_FILL_3
         LONG XABJNLDEF$$_FILL_4            ! HAS SAME COD, BLN, SPARE AND NXT FIELD
    ! THESE 4 FIELDS ARE COMMON TO ALL XABS AND
    ! HAVE BEEN DEFINED BY $XABDEF
         BYTE XAB$B_XABJNL_TYPE             !  type of $XABJNL
         BYTE XABJNLDEF$$_FILL_5
         group XAB$R_JNL_FLAGS_OVERLAY
            variant
               case
                  WORD XAB$W_JNL_FLAGS      !  journal flags (from ACE$W_RMSJNL_FLAGS)
               case
                  group XAB$R_JNL_FLAGS_BITS
                      !  journaling disabled by BACKUP (AI/BI/AT)
                      !  Backup done since last $OPEN
                     BYTE JOURNAL_DISABLED_bits   ! COMMENT ADDED BY SDL - JOURNAL_DISABLED_bits contains bits JOURNAL_DISABLED  &
 ! through FILL_16_
                  end group XAB$R_JNL_FLAGS_BITS
            end variant
         end group XAB$R_JNL_FLAGS_OVERLAY
         LONG XAB$L_JNL_FAB                 !  address of journal file FAB
         LONG XAB$L_VOLNAM_BUF              !  address of journal volume name buffer
         WORD XAB$W_VOLNAM_SIZ              !  size of journal volume name buffer
         WORD XAB$W_VOLNAM_LEN              !  return length of journal volume name
         BASIC$QUADWORD XAB$Q_JNL_VERIFY_CDATE  !  journal file creation date (from ACE$Q_CDATE)
    !  (to match with journal file's creation date)
         LONG XAB$L_JNLIDX                  !  Journal stream index within journal file
         LONG XAB$L_BACKUP_SEQNO            !  Backup sequence number.
         BASIC$QUADWORD XAB$Q_JNL_MOD_TIME  !  Timestamp of last backup or last journal
    !  entry recovered.
         LONG XABJNLDEF$$_FILL_7
         LONG XABJNLDEF$$_FILL_8
         LONG XABJNLDEF$$_FILL_9
         LONG XABJNLDEF$$_FILL_10
         LONG XABJNLDEF$$_FILL_11
         LONG XABJNLDEF$$_FILL_12
         LONG XABJNLDEF$$_FILL_13
         LONG XABJNLDEF$$_FILL_14
      end record XABJNLDEF
    
    !  basealign on aggregate XABJNLDEF operates after aggregate end
      DECLARE LONG CONSTANT XAB$K_JNLLEN = 80
      DECLARE LONG CONSTANT XAB$C_JNLLEN = 80