void serve(FILE *in, struct conn *conn);
+int listensock4(int port);
+int listensock6(int port);
+char *formathaddress(struct sockaddr *name, socklen_t namelen);
void handleplain(int argc, char **argp, char **argv);
+#ifdef HAVE_GNUTLS
+void handlegnussl(int argc, char **argp, char **argv);
+#endif
#endif