getpwuid_r
==========

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

Gnulib module: extensions

Portability problems fixed by Gnulib:

  * This function has an incompatible declaration on some platforms: Solaris 11 2011-11 (when _POSIX_PTHREAD_SEMANTICS is not defined).

Portability problems not fixed by Gnulib:

  * This function is unsafe to call between fork and exec if the parent process is multi-threaded.  Use it prior to forking.

  * This function is missing on some platforms: OpenBSD 3.8, Minix 3.1.8, mingw, MSVC 9, BeOS.