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Subject:	Re: DJGPP v2.05: some thoughts
Date:	Fri, 05 Jun 2015 20:08:19 +0200
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Am 05.06.2015 um 16:16 schrieb Eli Zaretskii (eliz AT gnu DOT org):
>> From: Martin Str|mberg <ams AT ludd DOT luth DOT se>
>> Date: Fri, 5 Jun 2015 12:29:43 +0000 (UTC)
>>
>> But, IIRC, C99 (or even perhaps C89) reserved any symbol starting with E.
>
> Where do you see such language in C99?  I don't see it, and neither do
> I see it in C11.  But maybe I'm missing something, it's not like I've
> read the entire document top to bottom.

This passage might be read that way (C99 7.5 <errno.h>, paragraph 4):

	Additional macro definitions, beginning with E and a digit
	or E and an uppercase letter, may also be specified by the
	implementation.

This has a footnote pointing to C99 7.26.3 ("Future library directions", 
<errno.h>), which reads:

	Macros that begin with E and a digit or E and an uppercase
	letter may be added to the declarations in the <errno.h>
	header.

I.e. the standard reserves other E* macros for itself, to be used in 
future versions.  AIUI, that doesn't actually reserve them for use by 
DJGPP, though.

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