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From: jmsellens@watdragon.UUCP
Newsgroups: comp.lang.c
Subject: Why all this fuss about CTRL(X) ??
Message-ID: <1955@watdragon.UUCP>
Date: Thu, 4-Dec-86 18:12:20 EST
Article-I.D.: watdrago.1955
Posted: Thu Dec  4 18:12:20 1986
Date-Received: Fri, 5-Dec-86 04:15:53 EST
References: <7136@elsie.UUCP> <779@valid.UUCP> <5396@brl-smoke.ARPA> <103@decvax.UUCP> <1375@hoptoad.uucp> <3721@utcsri.UUCP>
Reply-To: jmsellens@watdragon.UUCP (John M. Sellens)
Organization: U of Waterloo, Ontario
Lines: 10

There seems to have been a long and somewhat futile discussion about
a macro to give control characters.  Some say use "CTRL(X)", some
say "CTRL('X')".  Here's a wonderful way, that is guaranteed to
be portable, easy to type, and easy to understand.

Make a file called ctrl.h with lines like
#define CTRLA	'\001'
in it (should take mere seconds).  Put #include "ctrl.h" in your
C source files and use CTRLA.  No fuss, no muss.  Easy to understand.
Portable. And it even works.