! *** 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
    
    
    ! +
    !  SDB Function Codes
    ! 
    ! -
    ! BASE AND OFFSET OF 1 
      DECLARE LONG CONSTANT SDB$C_MODE_KERNEL = 0
      DECLARE LONG CONSTANT SDB$C_MODE_EXEC = 1
      DECLARE LONG CONSTANT SDB$C_MODE_SUPER = 2
      DECLARE LONG CONSTANT SDB$C_MODE_USER = 3
      DECLARE LONG CONSTANT SDB$M_MODE_KERNEL = 1
      DECLARE LONG CONSTANT SDB$M_MODE_EXEC = 2
      DECLARE LONG CONSTANT SDB$M_MODE_SUPER = 4
      DECLARE LONG CONSTANT SDB$M_MODE_USER = 8
      DECLARE LONG CONSTANT SDB$C_FUNC_GET_DSDB = 0
      DECLARE LONG CONSTANT SDB$C_FUNC_FREE_DSDB = 1
      DECLARE LONG CONSTANT SDB$C_FUNC_GET_ISDB = 2
      DECLARE LONG CONSTANT SDB$C_FUNC_FREE_ISDB = 3
      DECLARE LONG CONSTANT SDB$C_FUNC_SET_SDB = 4
      DECLARE LONG CONSTANT SDB$M_ACC_WRITE = 1
      DECLARE LONG CONSTANT SDB$M_ACC_READ = 2
      DECLARE LONG CONSTANT SDB$V_ACC_WRITE = 0
      DECLARE LONG CONSTANT SDB$V_ACC_READ = 1