Info needed on pseudo TTYs in SysV

[Brian Lloyd]

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I have a stream of data coming in on a standard TTY port.  This stream 
consists of several multiplexed TTY sessions.  I need to demux this stream 
(not a problem), and feed the demuxed outputs to several pseudo TTYs (a
problem).  On the other side, I need to take the streams from the pseudo
TTYs, multiplex them into a single stream, and send it out the standard
TTY.  I need all the standard UNIX utilities to run from a pseudo TTY.

1.  Is what I want to do possible in UNIX SysV?

2.  How do I make use of pseudo TTYs?

3.  Does anyone have any sample C code that does anything like this?

Thank you in advance.

Brian Lloyd
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