[/ / Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com) / / Distributed under the Boost Software License, Version 1.0. (See accompanying / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) /] [section:IoControlCommand I/O control command requirements] A type `X` meets the `IoControlCommand` requirements if it satisfies the requirements listed below. In the table below, `a` denotes a (possibly const) value of type `X`, and `b` denotes a value of type `X`. [table IoControlCommand requirements for extensible implementations [[expression] [type] [assertion/note[br]pre/post-conditions]] [ [`a.name()`] [`int`] [ Returns a value suitable for passing as the /request/ argument to __POSIX__ __ioctl__ (or equivalent). ] ] [ [`b.data()`] [`void*`] [ ] ] ] [endsect]