+/* protocol driver and methods */
+int do_protocol(struct query *, const struct method *);
+int doPOP2 (struct query *);
+int doPOP3 (struct query *);
+int doIMAP (struct query *);
+int doETRN (struct query *);
+
+/* miscellanea */
+struct query *hostalloc(struct query *);
+int parsecmdline (int, char **, struct runctl *, struct query *);
+char *MD5Digest (unsigned char *);
+int POP3_auth_rpa(unsigned char *, unsigned char *, int socket);
+int daemonize(const char *, void (*)(int));
+char *getpassword(char *);