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-.\" Copyright (c) 1989, 1991, 1993
-.\"	The Regents of the University of California.  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 the University of
-.\"	California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
-.\"    may be used to endorse or promote products derived from this software
-.\"    without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
-.\"
-.\"     @(#)setmode.3	8.2 (Berkeley) 4/28/95
-.\"
-.Dd April 28, 1995
-.Dt SETMODE 3
-.Os
-.Sh NAME
-.Nm getmode ,
-.Nm setmode
-.Nd modify mode bits
-.Sh SYNOPSIS
-.Fd #include <unistd.h>
-.Ft mode_t
-.Fn getmode "const void *set" "mode_t mode"
-.Ft void *
-.Fn setmode "const char *mode_str"
-.Sh DESCRIPTION
-The
-.Fn getmode
-function
-returns a copy of the file permission bits
-.Fa mode
-as altered by the values pointed to by
-.Fa set .
-While only the mode bits are altered, other parts of the file mode
-may be examined.
-.Pp
-The
-.Fn setmode
-function
-takes an absolute (octal) or symbolic value, as described in
-.Xr chmod 1 ,
-as an argument
-and returns a pointer to mode values to be supplied to
-.Fn getmode .
-Because some of the symbolic values are relative to the file
-creation mask,
-.Fn setmode
-may call
-.Xr umask 2 .
-If this occurs, the file creation mask will be restored before
-.Fn setmode
-returns.
-If the calling program changes the value of its file creation mask
-after calling
-.Fn setmode ,
-.Fn setmode
-must be called again if
-.Fn getmode
-is to modify future file modes correctly.
-.Pp
-If the mode passed to
-.Fn setmode
-is invalid,
-.Fn setmode
-returns
-.Dv NULL . 
-.Sh ERRORS
-The
-.Fn setmode
-function
-may fail and set errno for any of the errors specified for the library
-routine
-.Xr malloc 3 .
-.Sh SEE ALSO
-.Xr chmod 1 ,
-.Xr stat 2 ,
-.Xr umask 2 ,
-.Xr malloc 3
-.Sh HISTORY
-The
-.Fn getmode
-and
-.Fn setmode
-functions first appeared in
-.Bx 4.4 .