9.231 fchdir

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

Gnulib module: fchdir

Portability problems fixed by Gnulib:

• This function is missing on some platforms: Tandem/NSK, mingw, MSVC 9, BeOS. But the replacement function is not safe to be used in libraries and is not multithread-safe.
• This function is not declared on some platforms: OSF/1 5.1.

Portability problems not fixed by Gnulib: