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Data left from previous I/O?

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The Question is:

 
In writing a socket interface between a PC running a Java App and the UCX
 Service (Vers 4.2) to a Vax using Vax Macro, we are having trouble with nulls
 being left from the previous transmission. We are using the discard all with
 qio deacess function and m
shutdown option. Is there a way to flush the this buffer? It must be able to be
 incorporated into a Macro routine because C is not an option. Thank you so much!

The Answer is :

 
  Based on no evidence (eg: there is no provided example indicating
  what is being done with the $qio call), it would appear that at
  least one of the programs contains a bug.
 

  
     
     answer written or last revised on ( 17-APR-2000 )
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