! *** 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
    
    
    ! 
    !  Symbol definition for version mask symbols
    ! 
      DECLARE LONG CONSTANT SDFM$K_NAME = 14
      DECLARE LONG CONSTANT SDFM$C_NAME = 14
      DECLARE LONG CONSTANT SDFM$S_SDFMDEF = 45
      record SDFMDEF
         group SDFM$R_GSDTYP_OVERLAY
            variant
               case
                  BYTE SDFM$B_GSDTYP        ! Maps over GSY$B_GSDTYP 
               case
                  group SDFM$R_GSDTYP_FIELDS
                     STRING SDFM$T_START = 0
                     BYTE SDFMDEF$$_FILL_1
                  end group SDFM$R_GSDTYP_FIELDS
            end variant
         end group SDFM$R_GSDTYP_OVERLAY
         BYTE SDFM$B_DATYP                  ! Maps over GSY$B_DATYP 
         WORD SDFM$W_FLAGS                  ! Maps over GSY$W_FLAGS 
         BYTE SDFM$B_PSINDX                 ! Owning psect number 
         LONG SDFM$L_VALUE                  ! Value of symbol 
         LONG SDFM$L_VERSION_MASK           ! Mask for symbol
         BYTE SDFM$B_NAMLNG                 ! Length of name 
         STRING SDFM$T_NAME = 31            ! Symbol name 
      end record SDFMDEF