error = back->init (hwnd, cfg.host, cfg.port, &realhost);
	if (error) {
	    sprintf(msg, "Unable to open connection:\n%s", error);
	    MessageBox(NULL, msg, "PuTTY Error", MB_ICONERROR | MB_OK);
	    return 0;
	}
	window_name = icon_name = NULL;
	sprintf(msg, "PuTTY: %s", realhost);
	sprintf(msg, "%s - PuTTY", realhost);
	set_title (msg);
	set_icon (msg);
    }

    /*
     * Set up the input and output buffers.
     */