[PATCH] grp.h: use __BSD_VISIBLE and __XSI_VISIBLE guards

[Nick Withers]

On Thu, 2016-01-28 at 11:40 +0100, Corinna Vinschen wrote:
> Btw., does *anybody* here use/provide any of the non-standard
> functions
> setgrfile, setgroupent, and group_from_gid?
> 
> RTEMS?

RTEMS doesn't use them or export them.

> If not, I think it might be prudent to remove this cruft.
-- 
Nick Withers

Embedded Systems Programmer
Department of Nuclear Physics, Research School of Physics and Engineering
The Australian National University (CRICOS: 00120C)