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From: tmoran@acm.org
Newsgroups: comp.lang.ada
Subject: RE: socket, pipe
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>You could take the Win32 bindings, take only the part you need
>from it, retrofit it to Ada 83,
  If disk files will do the job, they are certainly the easiest,
and probably easiest to debug, way to go.  Program A can create a
file with known name, eg "from_A_to_B", and program B can periodically
check if there's a file by that name by simply attempting to open it.