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 October 17, 2016 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.In sys/types.h 38.In stdbool.h 39.In sysdecode.h 40.Ft const char * 41.Fn sysdecode_ioctlname "unsigned long request" 42.Sh DESCRIPTION 43The 44.Fn sysdecode_ioctlname 45function returns the name of a device control request identified by 46.Fa request . 47A table of names is generated during the build of the 48.Nm sysdecode 49library from system headers that maps device control request values to 50the name of the corresponding C macro. 51.Sh RETURN VALUES 52The 53.Fn sysdecode_ioctlname 54function returns the name of a device control request if 55.Fa request 56is a known value; 57otherwise 58.Dv NULL . 59.Sh SEE ALSO 60.Xr sysdecode 3 61