Returns the next attribute in an entry on success and
FALSE on error.
ldap_next_attribute() is called
to retrieve the attributes in an entry. The internal state of
the pointer is maintained by the
ber_identifier. It is passed by reference to the
function. The first call to
ldap_next_attribute() is made with the result_entry_identifier returned from
ldap_first_attribute().
See also ldap_get_attributes()