@node ioctl
@section @code{ioctl}
@findex ioctl

POSIX specification: @url{http://www.opengroup.org/susv3xsh/ioctl.html}

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
mingw.
@item
Most @code{ioctl} requests are platform and hardware specific.
@end itemize