aa12cea2cc
Although groff_mdoc(7) gives another impression, this is the ordering most widely used and also required by mdocml/mandoc. Reviewed by: ru Approved by: philip, ed (mentors)
89 lines
2.6 KiB
Groff
89 lines
2.6 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Copyright (c) 1996 Doug Rabson
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.\"
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.\" All rights reserved.
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.\"
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.\" This program is free software.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 24, 1996
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.Dt VOP_PATHCONF 9
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.Os
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.Sh NAME
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.Nm VOP_PATHCONF
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.Nd return POSIX pathconf information
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.Sh SYNOPSIS
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.In sys/param.h
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.In sys/vnode.h
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.In sys/unistd.h
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.Ft int
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.Fn VOP_PATHCONF "struct vnode *vp" "int name" "int *retval"
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.Sh DESCRIPTION
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The arguments are:
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.Bl -tag -width retval
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.It Fa vp
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The vnode to get information about.
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.It Fa name
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The type of information to return.
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.It Fa retval
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The place to return the information.
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.El
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.Pp
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The value of
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.Fa name
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specifies what should be returned:
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.Bl -tag -width _PC_CHOWN_RESTRICTED
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.It Dv _PC_LINK_MAX
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The maximum number of links to a file.
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.It Dv _PC_NAME_MAX
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The maximum number of bytes in a file name.
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.It Dv _PC_PATH_MAX
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The maximum number of bytes in a pathname.
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.It Dv _PC_PIPE_BUF
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The maximum number of bytes which will be written atomically to a pipe.
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.It Dv _PC_CHOWN_RESTRICTED
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Return 1 if appropriate privileges are required for the
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.Xr chown 2
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system call, otherwise 0.
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.It Dv _PC_NO_TRUNC
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Return 1 if file names longer than
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.Dv KERN_NAME_MAX
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are truncated.
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.El
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.Sh RETURN VALUES
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If
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.Fa name
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is recognized,
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.Fa *retval
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is set to the specified value and zero is returned, otherwise
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.Er EINVAL
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is returned.
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.Sh SEE ALSO
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.Xr pathconf 2 ,
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.Xr vnode 9
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.Sh AUTHORS
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This manual page was written by
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.An Doug Rabson .
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