.\"	$OpenBSD: ypwhich.1,v 1.17 2014/09/08 01:27:55 schwarze Exp $
.\"	$NetBSD: ypwhich.1,v 1.3 1996/05/13 02:43:46 thorpej Exp $
.\"
.\" Copyright (c) 1994 Christopher G. Demetriou
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"      This product includes software developed by Christopher G. Demetriou.
.\" 3. The name of the author may not be used to endorse or promote products
.\"    derived from this software without specific prior written permission
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\"	$Id: ypwhich.1,v 1.17 2014/09/08 01:27:55 schwarze Exp $
.\"
.Dd $Mdocdate: September 8 2014 $
.Dt YPWHICH 1
.Os
.Sh NAME
.Nm ypwhich
.Nd return hostname of YP server or map master
.Sh SYNOPSIS
.Nm ypwhich
.Op Fl t
.Op Fl d Ar domain
.Oo
.Op Fl h
.Ar host
.Oc
.Nm ypwhich
.Op Fl t
.Op Fl d Ar domain
.Op Fl h Ar host
.Fl m Op Ar mname
.Nm ypwhich
.Fl x
.Sh DESCRIPTION
.Nm
tells which
.Tn YP
server supplies
.Tn YP
services to a client, or which is the master for a map.
If invoked without arguments, it gives the
.Tn YP
server for the local machine.
If
.Ar host
is specified, that machine is queried to find out
which
.Tn YP
server it is using.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl d Ar domain
Specify a domain other than the default domain.
.It Fl h Ar host
Specify which host to query.
.It Fl m Op Ar mname
Find the master
.Tn YP
server for the named map.
The
.Ar host
to query, if non-default,
must be specified using the
.Fl h
option.
.Ar mname
can be a map name or nickname.
If
.Ar mname
is omitted,
.Nm
will produce a list of available maps.
.It Fl t
Inhibit translation of map nicknames
to their corresponding map names.
.It Fl x
Display the map nickname table.
.El
.Sh SEE ALSO
.Xr domainname 1 ,
.Xr ypcat 1 ,
.Xr ypmatch 1 ,
.Xr yp 8 ,
.Xr ypbind 8 ,
.Xr yppoll 8 ,
.Xr ypset 8
.Sh AUTHORS
.An Theo de Raadt