! *** 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
    
    
    ! +
    !  OPERATOR COMMUNICATIONS MESSAGE TYPES AND VALUES	These are now obsolete.
    ! -
    !  OPERATOR MESSAGE TYPES 
      DECLARE LONG CONSTANT OPR$_TERMENABL = 1  !  ENABLE TERMINAL 
      DECLARE LONG CONSTANT OPR$_LOGINIT = 2  !  INITIALIZE THE LOG 
      DECLARE LONG CONSTANT OPR$_OPRQST = 3  !  OPERATOR REQUEST 
      DECLARE LONG CONSTANT OPR$_OPREPLY = 4  !  OPERATOR REPLY 
      DECLARE LONG CONSTANT OPR$M_CENTRAL = x'00000001'
      DECLARE LONG CONSTANT OPR$M_PRINTER = x'00000002'
      DECLARE LONG CONSTANT OPR$M_TAPES = x'00000004'
      DECLARE LONG CONSTANT OPR$M_DISKS = x'00000008'
      DECLARE LONG CONSTANT OPR$M_DEVICES = x'00000010'
      DECLARE LONG CONSTANT OPR$M_USER1 = x'0001FFE0'
      DECLARE LONG CONSTANT OPR$M_USER2 = x'00020000'
      DECLARE LONG CONSTANT OPR$M_USER3 = x'00040000'
      DECLARE LONG CONSTANT OPR$M_USER4 = x'00080000'
      DECLARE LONG CONSTANT OPR$M_USER5 = x'00100000'
      DECLARE LONG CONSTANT OPR$M_USER6 = x'00200000'
      DECLARE LONG CONSTANT OPR$M_USER7 = x'00400000'
      DECLARE LONG CONSTANT OPR$M_USER8 = x'00800000'
      DECLARE LONG CONSTANT OPR$M_USER9 = x'01000000'
      DECLARE LONG CONSTANT OPR$M_USER10 = x'02000000'
      DECLARE LONG CONSTANT OPR$M_USER11 = x'04000000'
      DECLARE LONG CONSTANT OPR$M_USER12 = x'08000000'
      DECLARE LONG CONSTANT OPR$S_OPRDEF = 4
      record OPRDEF                         !  Obsolete.
         variant
            case
               group OPR$R_OPRDEF_BITS      !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                   !  Obsolete.
                  LONG CENTRAL_bits   ! COMMENT ADDED BY SDL - CENTRAL_bits contains bits CENTRAL through FILL_47_
               end group OPR$R_OPRDEF_BITS
         end variant
      end record OPRDEF