! *** 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
    
    
    ! 
    !  EVAX Symbol reference (SYM$M_DEF in EGSY$W_FLAGS is 0)
    ! 
      DECLARE LONG CONSTANT ESRF$K_NAME = 9
      DECLARE LONG CONSTANT ESRF$C_NAME = 9
      DECLARE LONG CONSTANT ESRF$S_ESRFDEF = 40
      record ESRFDEF
         group ESRF$R_GSDTYP_OVERLAY
            variant
               case
                  WORD ESRF$W_GSDTYP        ! Maps over GSY$B_GSDTYP 
               case
                  group ESRF$R_GSDTYP_FIELDS
                     STRING ESRF$T_START = 0
                     WORD ESRFDEF$$_FILL_1
                  end group ESRF$R_GSDTYP_FIELDS
            end variant
         end group ESRF$R_GSDTYP_OVERLAY
         WORD ESRF$W_SIZE                   ! size of this ESRF
         BYTE ESRF$B_DATYP                  ! Maps over GSY$B_DATYP
         BYTE ESRF$B_TEMP                   ! pad for alignment 
         WORD ESRF$W_FLAGS                  ! Maps over GSY$W_FLAGS 
         BYTE ESRF$B_NAMLNG                 ! Length of symbol name 
         STRING ESRF$T_NAME = 31            ! Symbol name 
      end record ESRFDEF