NetBSD/lib/libc/compat-43/setruid.3

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.\" Copyright (c) 1983, 1991 Regents of the University of California.
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.\" from: @(#)setuid.3 6.4 (Berkeley) 4/19/91
.\" $Id: setruid.3,v 1.1 1994/04/06 23:28:47 cgd Exp $
.\"
.Dd April 19, 1991
.Dt SETRUID 3
.Os BSD 4.2
.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
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 setuid 2 ,
.Xr setgid 2 ,
.Xr seteuid 2 ,
.Xr setegid 2 ,
.Xr getuid 2 ,
.Xr getgid 2
.Sh HISTORY
The
.Fn setruid
and
.Fn setrgid
syscalls appeared in
.Bx 4.2
and were dropped in
.Bx 4.4 .