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GETUID
Section: Linux Programmer's Manual (2)
Updated: 1993-07-23
Index
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NAME
getuid, geteuid - get user identity
SYNOPSIS
#include <unistd.h>
#include <sys/types.h>
uid_t getuid(void);
uid_t geteuid(void);
DESCRIPTION
getuid()
returns the real user ID of the calling process.
geteuid()
returns the effective user ID of the calling process.
ERRORS
These functions are always successful.
CONFORMING TO
POSIX.1-2001, 4.3BSD.
NOTES
History
In Unix V6 the
getuid()
call returned
(euid << 8) + uid.
Unix V7 introduced separate calls
getuid()
and
geteuid().
SEE ALSO
getresuid(2),
setreuid(2),
setuid(2),
credentials(7)
COLOPHON
This page is part of release 3.27 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- ERRORS
-
- CONFORMING TO
-
- NOTES
-
- History
-
- SEE ALSO
-
- COLOPHON
-
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