Hi David,

 DN> I don't know much about RxSock.DLL, but I would doubt 
 DN> that it would offer such a low level API. I think you 
 DN> will need to use a compiler or assembler to do this. Of 
 DN> course, you can always wrap the resulting code in a few 
 DN> lines of REXX calling interface and make it an 
 DN> extension DLL.

From your comments and other replies it appears that I would have to drop all
the way back to C to pick up the control over timeouts.....;-( Its not exactly 
an important requirement so may have to put this part of the project on the
back-burner, my meddling with REXX extension .DLL's has not exactly been a
great success story so far.

Thanks anyway...............pk.


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