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-.\" Copyright (c) 1983, 1991, 1993, 1994
-.\" 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.
-.\"
-.\" @(#)setgroups.2 8.2 (Berkeley) 4/16/94
-.\"
-.Dd April 16, 1994
-.Dt SETGROUPS 2
-.Os BSD 4.2
-.Sh NAME
-.Nm setgroups
-.Nd set group access list
-.Sh SYNOPSIS
-.Fd #include <sys/param.h>
-.Fd #include <unistd.h>
-.Ft int
-.Fn setgroups "int ngroups" "const gid_t *gidset"
-.Sh DESCRIPTION
-.Fn Setgroups
-sets the group access list of the current user process
-according to the array
-.Fa gidset .
-The parameter
-.Fa ngroups
-indicates the number of entries in the array and must be no
-more than
-.Dv NGROUPS ,
-as defined in
-.Ao Pa sys/param.h Ac .
-.Pp
-Only the super-user may set new groups.
-.Sh RETURN VALUES
-A 0 value is returned on success, -1 on error, with
-an error code stored in
-.Va errno .
-.Sh ERRORS
-The
-.Fn setgroups
-call will fail if:
-.Bl -tag -width Er
-.It Bq Er EPERM
-The caller is not the super-user.
-.It Bq Er EFAULT
-The address specified for
-.Fa gidset
-is outside the process
-address space.
-.El
-.Sh SEE ALSO
-.Xr getgroups 2 ,
-.Xr initgroups 3
-.Sh HISTORY
-The
-.Fn setgroups
-function call appeared in
-.Bx 4.2 .
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