! *** 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
    
    
    ! 
    !         protection xab field definitions
    !                 $xabprodef
    ! 
    ! 
      DECLARE LONG CONSTANT XAB$C_PRO = 19  !  xabpro id code
      DECLARE LONG CONSTANT XAB$M_NOREAD = x'00000001'
      DECLARE LONG CONSTANT XAB$M_NOWRITE = x'00000002'
      DECLARE LONG CONSTANT XAB$M_NOEXE = x'00000004'
      DECLARE LONG CONSTANT XAB$M_NODEL = x'00000008'
      DECLARE LONG CONSTANT XAB$S_XABPRODEF = 1
      record XABPRODEF
         variant
            case
               group XAB$R_XABPRODEF_BITS
                   !  deny read access
                   !  deny write access
                   !  deny execution access
                   !  deny delete access
                  BYTE NOREAD_bits   ! COMMENT ADDED BY SDL - NOREAD_bits contains bits NOREAD through FILL_12_
               end group XAB$R_XABPRODEF_BITS
         end variant
      end record XABPRODEF
    
      DECLARE LONG CONSTANT XAB$M_PROPAGATE = x'00000001'
      DECLARE LONG CONSTANT XAB$K_PROLEN_V3 = 16  !  V3a xabpro length
      DECLARE LONG CONSTANT XAB$C_PROLEN_V3 = 16  !  V3a xabpro length
      DECLARE LONG CONSTANT XAB$S_XABPRODEF1 = 88
      record XABPRODEF1
         BYTE XABPRODEF$$_FILL_1
         BYTE XABPRODEF$$_FILL_2
         WORD XABPRODEF$$_FILL_3
         LONG XABPRODEF$$_FILL_4            ! HAS SAME COD, BLN, SPARE AND NXT FIELD
    ! THESE 4 FIELDS ARE COMMON TO ALL XABS AND
    ! HAVE BEEN DEFINED BY $XABDEF
         group XAB$R_PRO_OVERLAY
            variant
               case
                  WORD XAB$W_PRO            !  protection mask
               case
                  group XAB$R_PRO_BITS
                      !  system
                      !  owner
                      !  group
                      !  world
                     WORD SYS_bits   ! COMMENT ADDED BY SDL - SYS_bits contains bits SYS through WLD
                  end group XAB$R_PRO_BITS
            end variant
         end group XAB$R_PRO_OVERLAY
         BYTE XAB$B_MTACC                   !  Magtape access control char.
         group XAB$R_PROT_OPT_OVERLAY
            variant
               case
                  BYTE XAB$B_PROT_OPT       !  XABPRO options field
               case
                  group XAB$R_PROT_OPT_FIELDS
                      !  Propagate security attributes on $ENTER and $RENAME
                     BYTE PROPAGATE_bits   ! COMMENT ADDED BY SDL - PROPAGATE_bits contains bits PROPAGATE through FILL_13_
                  end group XAB$R_PROT_OPT_FIELDS
            end variant
         end group XAB$R_PROT_OPT_OVERLAY
         group XAB$R_UIC_OVERLAY
            variant
               case
                  LONG XAB$L_UIC            !  uic code
               case
                  group XAB$R_UIC_FIELDS
                     WORD XAB$W_MBM         !  member code
                     WORD XAB$W_GRP         !  group code
                  end group XAB$R_UIC_FIELDS
            end variant
         end group XAB$R_UIC_OVERLAY
         group XAB$R_PROT_MODE_OVERLAY      !  RWED/mode protection for file
            variant
               case
                  BASIC$QUADWORD XAB$Q_PROT_MODE  !  eventually may be a quadword
               case
                  group XAB$R_PROT_MODE_FIELDS
                     BYTE XAB$B_PROT_MODE   !  but currently only a byte
                  end group XAB$R_PROT_MODE_FIELDS
            end variant
         end group XAB$R_PROT_MODE_OVERLAY
         LONG XAB$L_ACLBUF                  !  address of user's ACL buffer
         WORD XAB$W_ACLSIZ                  !  size of user's ACL buffer
         WORD XAB$W_ACLLEN                  !  return length of entire ACL
         LONG XAB$L_ACLCTX                  !  ACL context field
         LONG XAB$L_ACLSTS                  !  ACL return err status
         LONG XABPRODEF$$_FILL_10           !  spare
         LONG XABPRODEF$$_FILL_11           !  spare
         LONG XABPRODEF$$_FILL_12           !  spare
         LONG XABPRODEF$$_FILL_13           !  spare
         LONG XABPRODEF$$_FILL_14           !  spare
         LONG XABPRODEF$$_FILL_15           !  spare
         LONG XABPRODEF$$_FILL_16           !  spare
         LONG XABPRODEF$$_FILL_17           !  spare
         LONG XABPRODEF$$_FILL_18           !  spare
         LONG XABPRODEF$$_FILL_19           !  spare
         LONG XABPRODEF$$_FILL_20           !  spare
         LONG XABPRODEF$$_FILL_21           !  spare
      end record XABPRODEF1
    
    !  basealign on aggregate XABPRODEF1 operates after aggregate end
      DECLARE LONG CONSTANT XAB$K_PROLEN = 88  !  xabpro length
      DECLARE LONG CONSTANT XAB$C_PROLEN = 88  !  xabpro length