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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 current process.

geteuid returns the effective user ID of the current process.

The real ID corresponds to the ID of the calling process. The effective ID corresponds to the set ID bit on the file being executed.  

ERRORS

These functions are always successful.  

CONFORMING TO

POSIX, BSD 4.3.  

HISTORY

In Unix V6 the getuid() call returned (euid << 8) + uid. Unix V7 introduced separate calls getuid() and geteuid().  

SEE ALSO

setreuid(2), setuid(2)


 

Index

NAME
SYNOPSIS
DESCRIPTION
ERRORS
CONFORMING TO
HISTORY
SEE ALSO

This document was created by man2html, using the manual pages.
Time: 00:11:36 GMT, May 13, 2005





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