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From: smvorkoetter@watmum.UUCP
Newsgroups: comp.unix.questions,comp.unix.wizards,comp.lang.c
Subject: Filtering Everything
Message-ID: <919@watmum.UUCP>
Date: Wed, 1-Apr-87 22:00:47 EST
Article-I.D.: watmum.919
Posted: Wed Apr  1 22:00:47 1987
Date-Received: Sat, 4-Apr-87 05:25:39 EST
Distribution: comp
Organization: U of Waterloo, Ontario
Lines: 10
Xref: utgpu comp.unix.questions:1580 comp.unix.wizards:1622 comp.lang.c:1413



I wish to write a program in C that I can somehow set up so all output
to my terminal goes through it first, and all input from my terminal goes
through it too.  I thought of a simple filter using read() and write(),
but it only seems to pass things through when a CR is received or sent.
I want immediate filtering.  My eventual aim is to write an inline data
compression routine to speed up 1200 baud terminal use (esp. in vi) to
something approximating 2400 baud.  Can anyone point me in the right
direction for such a project.  Thanks.