const struct eap_method * eap_peer_get_eap_method(int vendor, EapType method);
const struct eap_method * eap_peer_get_methods(size_t *count);
const struct eap_method * eap_peer_get_eap_method(int vendor, EapType method);
const struct eap_method * eap_peer_get_methods(size_t *count);