1.\" 2.\" Copyright (c) 2015 John Baldwin <jhb@FreeBSD.org> 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd December 12, 2015 29.Dt sysdecode_ioctlname 3 30.Os 31.Sh NAME 32.Nm sysdecode_ioctlname 33.Nd lookup name of device control command 34.Sh LIBRARY 35.Lb libsysdecode 36.Sh SYNOPSIS 37.Ft conts char * 38.Fn sysdecode_ioctlname "unsigned long request" 39.Sh DESCRIPTION 40The 41.Fn sysdecode_ioctlname 42function returns the name of a device control request identified by 43.Fa request . 44A table of names is generated during the build of the 45.Nm sysdecode 46library from system headers that maps device control request values to 47the name of the corresponding C macro. 48.Sh RETURN VALUES 49The 50.Fn sysdecode_ioctlname 51function returns the name of a device control request if 52.Fa request 53is a known value; 54otherwise 55.Dv NULL . 56.Sh SEE ALSO 57.Xr sysdecode 3 58