freebsd-dev/lib/libc/compat-43/setruid.3

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.\" Copyright (c) 1983, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
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.\" 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
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.\" @(#)setruid.3 8.1 (Berkeley) 6/2/93
1999-08-28 00:22:10 +00:00
.\" $FreeBSD$
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.\"
.Dd June 2, 1993
.Dt SETRUID 3
.Os
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.Sh NAME
.Nm setruid ,
.Nm setrgid
.Nd set user and group ID
.Sh LIBRARY
.Lb libc
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.Sh SYNOPSIS
.In unistd.h
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.Ft int
.Fn setruid "uid_t ruid"
.Ft int
.Fn setrgid "gid_t rgid"
.Sh DESCRIPTION
The
.Fn setruid
function
.Pq Fn setrgid
sets the real user ID (group ID) of the
current process.
.Sh RETURN VALUES
.Rv -std
.Sh ERRORS
The functions fail if:
.Bl -tag -width Er
.It Bq Er EPERM
The user is not the super user and the ID
specified is not the real or effective ID.
.El
.Sh COMPATIBILITY
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The use of these calls is not portable.
Their use is discouraged; they will be removed in the future.
.Sh SEE ALSO
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.Xr getgid 2 ,
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.Xr getuid 2 ,
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.Xr setegid 2 ,
.Xr seteuid 2 ,
.Xr setgid 2 ,
.Xr setuid 2
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.Sh HISTORY
The
.Fn setruid
and
.Fn setrgid
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syscalls appeared in
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.Bx 4.2
and were dropped in
.Bx 4.4 .