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Re: portability of errno?

From: Paul Eggert
Subject: Re: portability of errno?
Date: Sun, 11 Jun 2006 00:51:21 -0700
User-agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux)

Eric Blake <address@hidden> writes:

> Now that gnulib assumes C89 or better, do we still need the code in
> strto[dl].c, unicodeio.c, and unsetenv.c that does this?
> #ifndef errno
> extern int errno;
> #endif

I don't think so, not any more.  It used to be that we merely assumed
C89 freestanding, but nowadays I think it's safe to assume errno.h
declares or defines errno.

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