9.284 fmtmsg

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

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

• This function is missing on some platforms: Mac OS X 10.3, OpenBSD 3.8, Minix 3.1.8, Cygwin, mingw, MSVC 9, Interix 3.5, BeOS.