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  pro-
     cess.

     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.

SEE ALSO

     setreuid(2), setuid(2)