1.\" 2.\" Copyright (c) 2015 John Baldwin <jhb@FreeBSD.org> 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.Dd October 17, 2016 26.Dt sysdecode_ioctlname 3 27.Os 28.Sh NAME 29.Nm sysdecode_ioctlname 30.Nd lookup name of device control command 31.Sh LIBRARY 32.Lb libsysdecode 33.Sh SYNOPSIS 34.In sysdecode.h 35.Ft const char * 36.Fn sysdecode_ioctlname "unsigned long request" 37.Sh DESCRIPTION 38The 39.Fn sysdecode_ioctlname 40function returns the name of a device control request identified by 41.Fa request . 42A table of names is generated during the build of the 43.Nm sysdecode 44library from system headers that maps device control request values to 45the name of the corresponding C macro. 46.Sh RETURN VALUES 47The 48.Fn sysdecode_ioctlname 49function returns the name of a device control request if 50.Fa request 51is a known value; 52otherwise 53.Dv NULL . 54.Sh SEE ALSO 55.Xr sysdecode 3 56