! *** 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
    
    
    ! 
    !         Recovery Unit XAB definitions
    !                 $xabrudef
    ! 
      DECLARE LONG CONSTANT XAB$C_RU = 35   !  xabru id code
      DECLARE LONG CONSTANT XAB$M_NOJOIN = x'00000001'
      DECLARE LONG CONSTANT XAB$S_XABRUDEF = 48
      record XABRUDEF
         BYTE XABRUDEF$$_FILL_1
         BYTE XABRUDEF$$_FILL_2
         WORD XABRUDEF$$_FILL_3
         LONG XABRUDEF$$_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_RU_FLAGS_OVERLAY
            variant
               case
                  WORD XAB$W_RU_FLAGS       !  Flags
               case
                  group XAB$R_RU_FLAGS_BITS
                      !  Do not join any recovery unit
                     BYTE NOJOIN_bits   ! COMMENT ADDED BY SDL - NOJOIN_bits contains bits NOJOIN through FILL_22_
                  end group XAB$R_RU_FLAGS_BITS
            end variant
         end group XAB$R_RU_FLAGS_OVERLAY
         WORD XABRUDEF$$_FILL_5
         LONG XAB$L_RU_HANDLE               !  RU handle to join (input field)
         LONG XAB$L_RU_HANDLE_JOINED        !  RU handle joined (output field)
         LONG XABRUDEF$$_FILL_7
         LONG XABRUDEF$$_FILL_8
         LONG XABRUDEF$$_FILL_9
         LONG XABRUDEF$$_FILL_10
         LONG XABRUDEF$$_FILL_11
         LONG XABRUDEF$$_FILL_12
         LONG XABRUDEF$$_FILL_13
      end record XABRUDEF
    
    !  basealign on aggregate XABRUDEF operates after aggregate end
      DECLARE LONG CONSTANT XAB$K_RULEN = 48
      DECLARE LONG CONSTANT XAB$C_RULEN = 48