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-.\" Copyright (c) 1983, 1991 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.
-.\"
-.\" @(#)setuid.3 6.4 (Berkeley) 4/19/91
-.\"
-.Dd April 19, 1991
-.Dt SETUID 3
-.Os BSD 4.2
-.Sh NAME
-.Nm setuid ,
-.Nm seteuid ,
-.Nm setruid ,
-.Nm setgid ,
-.Nm setegid ,
-.Nm setrgid
-.Nd set user and group ID
-.Sh SYNOPSIS
-.Fd #include <sys/types.h>
-.Ft int
-.Fn setuid "uid_t uid"
-.Ft int
-.Fn seteuid "uid_t euid"
-.Ft int
-.Fn setruid "uid_t ruid"
-.Ft int
-.Fn setgid "gid_t gid"
-.Ft int
-.Fn setegid "gid_t egid"
-.Ft int
-.Fn setrgid "gid_t rgid"
-.Sh DESCRIPTION
-The
-.Fn setuid
-function
-.Pq Fn setgid
-sets both the real and effective
-user ID (group ID) of the current process
-as specified.
-.Pp
-The
-.Fn seteuid
-function
-.Pq Fn setegid
-sets the effective user ID (group ID) of the
-current process.
-.Pp
-The
-.Fn setruid
-function
-.Pq Fn setrgid
-sets the real user ID (group ID) of the
-current process.
-.Sh RETURN VALUES
-Upon success, these functions return 0;
-otherwise \-1 is returned.
-.Pp
-If the user is not the super user, or the uid
-specified is not the real or effective ID, these
-functions return \-1.
-.Sh SEE ALSO
-.Xr setreuid 2 ,
-.Xr setregid 2 ,
-.Xr getuid 2 ,
-.Xr getgid 2
-.Sh HISTORY
-A
-.Fn setuid
-and
-.Fn setgid
-syscall appeared in
-.At v6 .