int tcp_connectsock(char *host, char *service);
void ctdl_a(struct http_transaction *, struct ctdlsession *);
void ctdl_r(struct http_transaction *, struct ctdlsession *);
+void ctdl_u(struct http_transaction *, struct ctdlsession *);
struct ctdlsession *connect_to_citadel(struct http_transaction *);
void disconnect_from_citadel(struct ctdlsession *);
char *header_val(struct http_transaction *h, char *requested_header);
StrBuf *text2html(const char *supplied_charset, int treat_as_wiki, char *roomname, long msgnum, StrBuf *Source);
StrBuf *variformat2html(StrBuf *Source);
int ctdl_readline(struct ctdlsession *ctdl, char *buf, int maxbytes);
+int ctdl_read_binary(struct ctdlsession *ctdl, char *buf, int bytes_requested);
void ctdl_c(struct http_transaction *h, struct ctdlsession *c);
int webserver(char *webserver_interface, int webserver_port, int webserver_protocol);
void ctdl_printf(struct ctdlsession *ctdl, const char *format,...);