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.\"	$OpenBSD: setruid.3,v 1.2 2003/06/02 20:18:40 millert Exp $
.\"
.Dd April 19, 1991
.Dt SETRUID 3
.Os
.Sh NAME
.Nm setruid ,
.Nm setrgid
.Nd set user and group ID
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Ft int
.Fn setruid "uid_t uid"
.Ft int
.Fn setrgid "gid_t gid"
.Sh DESCRIPTION
.Bf -symbolic
This interface is made obsolete by
.Xr setreuid 2 .
It is available from the compatibility library, libcompat.
.Ef
.Pp
The
.Fn setruid
function
.Pq Fn setrgid
sets the real user ID (group ID)
of the current process to the specified value.
.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 (GID) specified is not
the real or effective ID of the process,
these functions return \-1.
.Sh SEE ALSO
.Xr getgid 2 ,
.Xr getuid 2 ,
.Xr setegid 2 ,
.Xr seteuid 2 ,
.Xr setgid 2 ,
.Xr setregid 2 ,
.Xr setresgid 2 ,
.Xr setresuid 2 ,
.Xr setreuid 2 ,
.Xr setuid 2
.Sh HISTORY
The
.Fn setruid
and
.Fn setrgid
functions appeared in
.Bx 4.2 .
Semantically different versions appeared in
.Bx 4.4 .
The current versions, with the original semantics restored, appeared in
.Ox 3.3 .