INTEGER FUNCTION RDATA(X)
      IMPLICIT INTEGER (A-Z)
      COMMON /KER/ N,RPSIZ,SPSIZ,PAD,NUMTRY,OLDTRY, FD,RMTINFD,RMTOUTFD,
     *STATE,PADCHAR, EOL,ESCHAR,QUOTE,FILNAM(132),RECPKT(94 ), PACKET(94
     * ),SIZE,MOREFD,IBM,HOST, LOCALINFD,LOCALOUTFD,SPEED
      INTEGER NUM,LEN,STATUS
      INTEGER X,RPACK,TNUM
      IF(.NOT.(NUMTRY.GT.5 ))GOTO 23000
      RDATA=65
      RETURN
23000 CONTINUE
      NUMTRY=NUMTRY+1
23001 CONTINUE
      STATUS=RPACK(LEN,NUM,PACKET)
      IF(.NOT.(HOST.EQ.0))GOTO 23002
      CALL PUTDEC(NUM,4)
      CALL PUTC(13)
      CALL FLUSH(1)
23002 CONTINUE
      IF(.NOT.(STATUS.EQ.68))GOTO 23004
      IF(.NOT.(NUM.NE.N))GOTO 23006
      IF(.NOT.(OLDTRY.GT.5 ))GOTO 23008
      RDATA=65
      RETURN
23008 CONTINUE
      OLDTRY=OLDTRY+1
23009 CONTINUE
      IF(.NOT.(NUM.EQ.(N-1)))GOTO 23010
      CALL SPAR(PACKET)
      CALL SPACK(89,NUM,6,PACKET)
      NUMTRY=0
      RDATA=STATE
      RETURN
23010 CONTINUE
      RDATA=65
      RETURN
23011 CONTINUE
23006 CONTINUE
      CALL BUFEMP(PACKET,LEN)
      TNUM=N
      CALL SPACK(89,TNUM,0,0)
      OLDTRY=NUMTRY
      NUMTRY=0
      N=MOD((N+1),64)
      RDATA=68
      RETURN
23004 CONTINUE
      IF(.NOT.(STATUS.EQ.70))GOTO 23012
      IF(.NOT.(OLDTRY.GT.5 ))GOTO 23014
      RDATA=65
      RETURN
23014 CONTINUE
      OLDTRY=OLDTRY+1
23015 CONTINUE
      IF(.NOT.(NUM.EQ.(N-1)))GOTO 23016
      CALL SPACK(89,NUM,0,0)
      NUMTRY=0
      RDATA=STATE
      RETURN
23016 CONTINUE
      RDATA=65
      RETURN
23017 CONTINUE
      GOTO 23013
23012 CONTINUE
      IF(.NOT.(STATUS.EQ.90))GOTO 23018
      IF(.NOT.(NUM.NE.N))GOTO 23020
      RDATA=65
      RETURN
23020 CONTINUE
      TNUM=N
      CALL SPACK(89,TNUM,0,0)
      CALL RATCLOSE(FD)
      N=MOD((N+1),64)
      RDATA=70
      RETURN
23018 CONTINUE
      IF(.NOT.(STATUS.EQ.0))GOTO 23022
      RDATA=STATE
      TNUM=N
      CALL SPACK(78,TNUM,0,0)
      RETURN
23022 CONTINUE
      RDATA=65
23023 CONTINUE
23019 CONTINUE
23013 CONTINUE
23005 CONTINUE
      RETURN
      END