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-.\" Copyright (C) 1997 Andries Brouwer (aeb@cwi.nl)
-.\" and Copyright (c) 2007, Michael Kerrisk <mtk.manpages@gmail.com>
-.\"
-.\" %%%LICENSE_START(VERBATIM)
-.\" Permission is granted to make and distribute verbatim copies of this
-.\" manual provided the copyright notice and this permission notice are
-.\" preserved on all copies.
-.\"
-.\" Permission is granted to copy and distribute modified versions of this
-.\" manual under the conditions for verbatim copying, provided that the
-.\" entire resulting derived work is distributed under the terms of a
-.\" permission notice identical to this one.
-.\"
-.\" Since the Linux kernel and libraries are constantly changing, this
-.\" manual page may be incorrect or out-of-date.  The author(s) assume no
-.\" responsibility for errors or omissions, or for damages resulting from
-.\" the use of the information contained herein.  The author(s) may not
-.\" have taken the same level of care in the production of this manual,
-.\" which is licensed free of charge, as they might when working
-.\" professionally.
-.\"
-.\" Formatted or processed versions of this manual, if unaccompanied by
-.\" the source, must acknowledge the copyright and authors of this work.
-.\" %%%LICENSE_END
-.\"
-.\" Modified, 2003-05-26, Michael Kerrisk, <mtk.manpages@gmail.com>
-.\"
-.TH GETRESUID 2 2010-11-22 "Linux" "Linux Programmer's Manual"
-.SH NAME
-getresuid, getresgid \- get real, effective and saved user/group IDs
-.SH SYNOPSIS
-.BR "#define _GNU_SOURCE" "         /* See feature_test_macros(7) */"
-.br
-.B #include <unistd.h>
-.sp
-.BI "int getresuid(uid_t *" ruid ", uid_t *" euid ", uid_t *" suid );
-.br
-.BI "int getresgid(gid_t *" rgid ", gid_t *" egid ", gid_t *" sgid );
-.SH DESCRIPTION
-.BR getresuid ()
-returns the real UID, the effective UID, and the saved set-user-ID
-of the calling process, in the arguments
-.IR ruid ,
-.IR euid ,
-and
-.IR suid ,
-respectively.
-.BR getresgid ()
-performs the analogous task for the process's group IDs.
-.SH RETURN VALUE
-On success, zero is returned.
-On error, \-1 is returned, and
-.I errno
-is set appropriately.
-.SH ERRORS
-.TP
-.B EFAULT
-One of the arguments specified an address outside the calling program's
-address space.
-.SH VERSIONS
-These system calls appeared on Linux starting with kernel 2.1.44.
-
-The prototypes are given by glibc since version 2.3.2,
-provided
-.B _GNU_SOURCE
-is defined.
-.SH CONFORMING TO
-These calls are nonstandard;
-they also appear on HP-UX and some of the BSDs.
-.SH NOTES
-The original Linux
-.BR getresuid ()
-and
-.BR getresgid ()
-system calls supported only 16-bit user and group IDs.
-Subsequently, Linux 2.4 added
-.BR getresuid32 ()
-and
-.BR getresgid32 (),
-supporting 32-bit IDs.
-The glibc
-.BR getresuid ()
-and
-.BR getresgid ()
-wrapper functions transparently deal with the variations across kernel versions.
-.SH SEE ALSO
-.BR getuid (2),
-.BR setresuid (2),
-.BR setreuid (2),
-.BR setuid (2),
-.BR credentials (7)
-.SH COLOPHON
-This page is part of release 3.79 of the Linux
-.I man-pages
-project.
-A description of the project,
-information about reporting bugs,
-and the latest version of this page,
-can be found at
-\%http://www.kernel.org/doc/man\-pages/.