Subject: bug#12968: Assume POSIX 1003.1-1988 or later for errno.h.

From: Eli Zaretskii <[email-masked]>
Date: Fri, 23 Nov 2012 11:38:30 +0200

> Date: Fri, 23 Nov 2012 01:04:27 -0800
> From: Paul Eggert <[email-masked]>
> 
> Here's a patch to simplify Emacs by assuming
> POSIX 1003.1-1988 or later for errno.h, which I plan
> to install soon.  This should be safe as other parts of Emacs
> are already assuming the relevant macros.  I haven't tested
> this on Microsoft platforms though.

Looks OK for MS-Windows, all the referenced errno values are defined
in errno.h.