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, 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)