environ
=======

POSIX specification: http://www.opengroup.org/susv3xsh/environ.html

Gnulib module: ---

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

  * This variable is missing on some platforms: MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, IRIX 6.5, OSF/1 5.1, Cygwin.

  * The address of this variable is not a compile-time constant on some platforms: mingw.