[PATCH] libio: Assume _LIBC, weak_alias, errno, (__set_)errno &c are defined

[Zack Weinberg]

On Thu, Aug 31, 2017 at 8:14 AM, Florian Weimer <fweimer@redhat.com> wrote:
> libio lives exclusively in glibc these days, so there is no reason to
> preserve _LIBC conditionals.
>
> While at it, I also removed some unnecessary indirections and conditions
> on other always-defined macros (F_GETFL, EIO, etc.).
>
> I checked that this does not change the produced binaries on i686.

LGTM.

If you're in a mood to clean up libio, may I suggest going after
_IO_MTSAFE_IO next? ;-)

zw