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From:	CBFalconer <cbfalconer AT yahoo DOT com>
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Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Environment Variables
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Date:	Fri, 06 Aug 2004 09:53:39 GMT
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To:	djgpp AT delorie DOT com
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Eli Zaretskii wrote:
> 
> > From: CBFalconer <cbfalconer AT yahoo DOT com>
> > Newsgroups: comp.lang.c,comp.os.msdos.djgpp
> > Date: Thu, 05 Aug 2004 23:27:28 GMT
> >
> > Changing the 'environ' name makes things become correct.  gcc
> > seems to be creating a parameter to main, which is being accessed
> > by the identifier environ, even though the parameters are
> > specified to be void. gcc -E creates no reference to 'environ'.
> 
> `environ' is a symbol that comes from the library.  It is a pointer to
> an array of char *, where each array element is a string of the form
> "foo=bar": these are the environment variables and their values.
> 
> I guess if this happens even under "-ansi -pedantic", it's a bug that
> we pollute the ANSI namespace with a non-ANSI symbol that doesn't bgin
> with an underscore.  But given that Unix programs expect that symbol,
> I'm not sure we can change that.
> 
> If you want to discuss possible solutions, please take this to
> djgpp-workers AT delorie DOT com.

Since it seems to appear on Cygwin also it is not peculiar to
DJGPP.  I just wanted the DJGPP group to be aware of the bug.  I
should have set followups on that post, to avoid all the other
fooferaw.

-- 
"The most amazing achievement of the computer software industry
 is its continuing cancellation of the steady and staggering
 gains made by the computer hardware industry..." - Petroski

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