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 2.79 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/.


Copyright 1993 Rickard E. Faith (faithcs.unc.edu)

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