Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!uwm.edu!rpi!leah!bingvaxu!vu0310
From: vu0310@bingvaxu.cc.binghamton.edu (R. Kym Horsell)
Newsgroups: comp.lang.c
Subject: Re: Preprocessor macro to quote its argument
Message-ID: <3894@bingvaxu.cc.binghamton.edu>
Date: 26 Aug 90 17:53:37 GMT
References: <1112@mti.mti.com> <1114@mti.mti.com> <1990Aug20.012839.3545@zoo.toronto.edu> <11517@ogicse.ogi.edu> <1990Aug21.175138.24633@zoo.toronto.edu> <21594@grebyn.com> <3891@bingvaxu.cc.binghamton.edu> <GJG5YDA@ggpc2.ferranti.com>
Reply-To: vu0310@bingvaxu.cc.binghamton.edu.cc.binghamton.edu (R. Kym Horsell)
Organization: SUNY Binghamton, NY
Lines: 14

In article <GJG5YDA@ggpc2.ferranti.com> peter@ficc.ferranti.com (Peter da Silva) writes:
\\\
>If you define CTRL(c) ((*#c)^('\177'^'?')) it'll handle '^?' for delete as
>well, at the expense of producing gibberish for CTRL(a).

I think the original

#define	CTRL(c)	((*#c)-64)

did this correctly anyway. It just makes me nervous that it also didn't
handle lower-case; I came across a nasty bug once involving the
programmer's misunderstanding of what CTRL(x) would match!

-Kym Horsell