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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: gcc needs a curly bracket matching/counting function
Date: Wed, 21 Dec 2016 08:52:31 -0800
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David Brown <david.brown@hesbynett.no> writes:
[...]
> You can put things like brackets in macro definitions, but it is usually
> regarded as a /really/ bad idea.

(I presume that by "brackets" you mean {curly braces}.)

Why is it a bad idea?  I've seen (and written) plenty of macro
definitions like:

    #define FOO do { /* blah blah */ } while(0)

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"