[PATCH] libio: Use stdin consistently for input functions [BZ #24153]

[Florian Weimer]

* Paul Pluzhnikov:

> On Fri, Feb 1, 2019 at 4:58 AM Florian Weimer <fweimer@redhat.com> wrote:
>>
>> The internal _IO_stdin_ variable is not updated when the application
>> assigns to stdin, which is a GNU extension.
>>
>> 2019-02-01  Florian Weimer  <fweimer@redhat.com>
>>
>>         [BZ #24153]
>
> I didn't realize there was a separate (from BZ 24051) bug for stdin,
> and prepared effectively this same patch.
>
> Looks good to me.
> Thanks!

Thanks, and sorry about that.  I have pushed my patch.

I'm testing another patch which removes the internal pointer variables
altogether, similar to what I posted before.

Florian