getlogin_r
==========

POSIX specification:
 http://www.opengroup.org/onlinepubs/9699919799/functions/getlogin_r.html

Gnulib module: getlogin_r

Portability problems fixed by Gnulib:

  * This function is missing on some platforms: NetBSD 3.0, mingw.

  * This function has an incompatible declaration on some platforms: Solaris 10 (when _POSIX_PTHREAD_SEMANTICS is not defined).

Portability problems not fixed by Gnulib: