1.\" 2.\" Copyright (c) 2016 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_sockopt_name 3 27.Os 28.Sh NAME 29.Nm sysdecode_sockopt_name 30.Nd lookup name of socket option 31.Sh LIBRARY 32.Lb libsysdecode 33.Sh SYNOPSIS 34.In sysdecode.h 35.Ft const char * 36.Fn sysdecode_sockopt_name "int level" "int optname" 37.Sh DESCRIPTION 38The 39.Fn sysdecode_sockopt_name 40function returns a text description of the socket option name passed in the 41.Fa optname 42argument to 43.Xr getsockopt 2 . 44.Fn sysdecode_sockopt_name 45takes the socket option 46.Fa level 47as well as the option name to uniquely identify the option. 48.Sh SEE ALSO 49.Xr sysdecode_sockopt_level 3 50.Sh BUGS 51Socket option levels and names are protocol-specific. 52Both 53.Fn sysdecode_sockopt_level 54and 55.Fn sysdecode_sockopt_name 56should possibly accept the protocol family as an additional argument. 57