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+.\" 
+.\" Copyright (c) 1996 Joerg Wunsch
+.\" 
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``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 DEVELOPERS 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.
+.\" 
+.\" $FreeBSD$
+.\" "
+.Dd December 29, 1996
+.Os
+.Dt LOGOUT 3
+.Sh NAME
+.Nm logout
+.Nd remove an entry from the utmp file
+.Sh SYNOPSIS
+.Fd #include <sys/types.h>
+.Fd #include <libutil.h>
+.Ft int
+.Fn logout "char *line"
+.Pp
+Link with
+.Va -lutil
+on the
+.Xr cc 1
+command line.
+.Sh DESCRIPTION
+The function
+.Fn logout
+searches the
+.Xr utmp 5
+file for the slot described by
+.Ar line
+(usually a tty name).  If such a slot could be found, it will be updated
+with a record where the
+.Em name
+and
+.Em host
+fields are empty, and the time stamp field is updated to the current time.
+.Sh RETURN VALUES
+.Fn Logout
+returns 1 if the slot described by
+.Ar line
+has been found and updated, 0 otherwise.
+.Sh SEE ALSO
+.Xr login 3 ,
+.Xr utmp 5 ,
+.Xr wtmp 5
+.Sh BUGS
+The calling interface of
+.Fn logout
+is inconsistent with that of
+.Xr login 3 .