strerror
========

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

Gnulib module: strerror

Portability problems fixed by Gnulib:

  * This function is missing on some old platforms.

  * This function does not support the error values that are specified by POSIX but not defined by the system, on some platforms: OpenBSD 4.0, OSF/1 5.1, Cygwin 1.5.x, mingw.

  * This function fails to return a string for out-of-range integers on some platforms: Solaris 8.

Portability problems not fixed by Gnulib: