Description This routine retrieves the default realm to be used if no
user-specified realm is available (for example, to interpret a user-typed
principal name with the realm omitted for convenience), setting lrealm
with a pointer to the default realm in allocated storage.
It is the caller's responsibility for freeing the allocated
storage pointed to be lrealm when it is
finished with it.
Return
Values This routine returns the following KRB5 status code: