MODULE GETNEXT;

(*$M GNB*)
(*$M **)

(*$I FIBDEF.LIB*)

VAR
  @LFB:		EXTERNAL ^FIB;

EXTERNAL PROCEDURE @RNB;

FUNCTION GNB(VAR F:FIB; SZ:INTEGER):CHAR;
BEGIN
  @LFB := ADDR(F);

  WITH F DO
    BEGIN
      IF BUFIDX = BUFLEN THEN (* TIME TO GO READ MORE *)
        BEGIN
          @RNB;
          BUFIDX := 0
        END;

      IF NOT FEOF THEN
        BEGIN
          GNB := FBUFFER[BUFIDX];
          BUFIDX := BUFIDX + 1
        END
      ELSE
        GNB := CHR($FF);

    END (* WITH *)
END;

MODEND.

%%%START PURGE
MODULE KILLFILE;

(*$M PURGE*)
(*$M **)

(*$I FIBDEF.LIB*)
VAR
  RESULTIO:	EXTERNAL INTEGER;

EXTERNAL FUNCTION @BDOS(FUNC:INTEGER; PARM:WORD):INTEGER;
EXTERNAL PROCEDURE @DFLT;

PROCEDURE PURGE(VAR F:FIB; SZ:INTEGER);
BEGIN
  @DFLT;
  RESULTIO := @BDOS(19,WRD(ADDR(F.FCB)));
  RESULTIO := 0					(* NO DATA FROM CP/M *)
END;