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GETUID(2)		   Linux Programmer's Manual		     GETUID(2)

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.

ERRORS

These functions are always successful.

CONFORMING TO

POSIX.1-2001, 4.3BSD.

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) Linux 0.99.11 1993-07-23 GETUID(2)

1994 Man-cgi 1.15, Panagiotis Christias <christia@theseas.ntua.gr>