struct query *hostalloc(struct query *);
int parsecmdline (int, char **, struct runctl *, struct query *);
char *MD5Digest (unsigned char *);
+void hmac_md5 (unsigned char *, size_t, unsigned char *, size_t, unsigned char *, size_t);
int POP3_auth_rpa(unsigned char *, unsigned char *, int socket);
void deal_with_sigchld(void);
int daemonize(const char *, void (*)(int));