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From: randy@erik.UUCP (Randy Brown)
Newsgroups: comp.windows.x
Subject: Re:  /dev/ptmx, granpt(), ptsname() etc .. HELP
Message-ID: <9008201546.AA01125@erik.uucp>
Date: 20 Aug 90 15:45:26 GMT
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
Lines: 7

>Can someone point me at where I can find docs for the ptmx device driver
>and the various support routines like  grantpt(), ptsname() and unlockpt().

I found some info in the Prentice-Hall System V Release 4 volume titled
something like "Streams Programmer's Guide."  This included some stuff on
pushable modules for line disciplines as well as basic info on the 
pseudo-tty ptmx/pts* master-slave pairs. ... rb