9.593 munlockall

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

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

• This function is missing on some platforms: Minix 3.1.8, OSF/1 4.0, Cygwin, mingw, MSVC 9, Interix 3.5, BeOS.