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From: steve@taumet.com (Stephen Clamage)
Newsgroups: comp.std.c
Subject: Re: #pragma
Message-ID: <534@taumet.com>
Date: 2 Dec 90 21:07:36 GMT
References: <9011272328.AA03163@decpa.pa.dec.com> <12570056@hprsue.HP.COM>
Organization: Taumetric Corporation, San Diego
Lines: 15

sue@hprsue.HP.COM (Sue Meloy) writes:

>The only safe thing is for all implementation-specific directives 
>to be protected by ifdefs.  Thus, a conforming program can
>contain pragmas which could affect the behavior of a strictly conforming 
>program, but can continue to be compiled on an implementation that does not
>make use of those pragmas.

Yes, indeed.  Someone posted a question a while back asking about the
meaning of "#pragma once".  My favorite reply was that it turned on
some special features for use by the customer engineer -- there would also
be a "#pragma offce" to disable the special features.
-- 

Steve Clamage, TauMetric Corp, steve@taumet.com