Linux.com

geteuid.2

GETUID

Section: Linux Programmer's Manual (2)
Updated: 1993-07-23
Index Return to Main Contents
 

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 3.21 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

 

Comments

Subscribe to Comments Feed
Become an Individual Member
Check out the Friday Funnies

Sign Up For the Linux.com Newsletter


Who we are ?

The Linux Foundation is a non-profit consortium dedicated to the growth of Linux.

More About the foundation...

Frequent Questions

Join / Linux Training / Board