void hc_conn_close (HCConn *);
void hc_conn_set_callback (HCConn *, HCClientFunc, gpointer);
-void hc_conn_set_driver_channel (HCConn *, int);
-void hc_conn_set_driver_ssl_client (HCConn *, HCConn *);
+int hc_conn_set_driver_channel (HCConn *, int);
+int hc_conn_set_driver_ssl_client (HCConn *, HCConn *);
+int hc_conn_set_driver_ssl_server (HCConn *, HCConn *);
#endif