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- .\" $OpenBSD: readlabelfs.3,v 1.6 2003/10/22 07:45:53 jmc Exp $
- .\"
- .\" Copyright (c) 1996, Jason Downs. 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 AUTHOR(S) ``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
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- .Dd December 22, 1996
- .Dt READLABELFS 3
- .Os
- .Sh NAME
- .Nm readlabelfs
- .Nd read disklabel filesystem type
- .Sh SYNOPSIS
- .Fd #include <util.h>
- .Ft char *
- .Fn readlabelfs "char *device" "int verbose"
- .Sh DESCRIPTION
- The
- .Fn readlabelfs
- function attempts to determine the filesystem type of the disk
- partition specified by
- .Fa device
- and returns it in a short form that can be easily used to construct
- arguments within
- .Xr mount 8
- and similar high-level filesystem utilities.
- .Pp
- If the
- .Fa verbose
- argument is not 0,
- .Fn readlabelfs
- will print appropriate error messages before returning.
- Otherwise, it produces no output on the terminal.
- .Sh RETURN VALUES
- .Fn readlabelfs
- returns
- .Dv NULL
- upon error, or a valid filesystem type upon success.
- .Sh HISTORY
- .Fn readlabelfs
- first appeared in
- .Ox 2.0 .
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