struct ctdlsession *connect_to_citadel(struct http_transaction *);
void disconnect_from_citadel(struct ctdlsession *);
char *header_val(struct http_transaction *h, char *requested_header);
+char *get_url_param(struct http_transaction *h, char *requested_param);
int unescape_input(char *);
void http_redirect(struct http_transaction *h, char *to_where);
char *http_datestring(time_t xtime);