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+.\" -*- nroff -*-
+.\"
+.\" Copyright (c) 1996 Doug Rabson
+.\"
+.\" All rights reserved.
+.\"
+.\" This program is free software.
+.\"
+.\" 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 July 24, 1996
+.Os
+.Dt VOP_PATHCONF 9
+.Sh NAME
+.Nm VOP_PATHCONF
+.Nd return POSIX pathconf information
+.Sh SYNOPSIS
+.In sys/param.h
+.In sys/vnode.h
+.In sys/unistd.h
+.Ft int
+.Fn VOP_PATHCONF "struct vnode *vp" "int name" "int *retval"
+.Sh DESCRIPTION
+The arguments are:
+.Bl -tag -width retval
+.It Fa vp
+The vnode to get information about.
+.It Fa name
+The type of information to return.
+.It Fa retval
+The place to return the information.
+.El
+.Pp
+The value of
+.Fa name
+specifies what should be returned:
+.Bl -tag -width _PC_CHOWN_RESTRICTED
+.It Dv _PC_LINK_MAX
+The maximum number of links to a file.
+.It Dv _PC_NAME_MAX
+The maximum number of bytes in a file name.
+.It Dv _PC_PATH_MAX
+The maximum number of bytes in a pathname.
+.It Dv _PC_PIPE_BUF
+The maximum number of bytes which will be written atomically to a pipe.
+.It Dv _PC_CHOWN_RESTRICTED
+Return 1 if appropriate privileges are required for the
+.Xr chown 2
+system call, otherwise 0.
+.It Dv _PC_NO_TRUNC
+Return 1 if file names longer than
+.Dv KERN_NAME_MAX
+are truncated.
+.El
+.Sh RETURN VALUES
+If
+.Fa name
+is recognized,
+.Fa *retval
+is set to the specified value and zero is returned, otherwise
+.Er EINVAL
+is returned.
+.Sh SEE ALSO
+.Xr pathconf 2 ,
+.Xr vnode 9
+.Sh AUTHORS
+This manual page was written by
+.An Doug Rabson .