int es_unit; /* Interface unit number */
struct eap_auth es_client; /* Client (authenticatee) data */
struct eap_auth es_server; /* Server (authenticator) data */
-#ifdef USE_PEAP
+#ifdef PPP_WITH_PEAP
struct peap_state *ea_peap; /* Client PEAP (authenticator) data */
#endif
int es_savedtime; /* Saved timeout */