rem: int error;
add: int error, length;
context: gtk_xine_play (GtkXine *gtx, gint pos, gint start_time){	int error;	g_return_val_if_fail (gtx != NULL, -1);	g_return_val_if_fail (GTK_IS_XINE (gtx), -1);	g_return_val_if_fail (gtx->priv->xine != NULL, -1);	error = xine_play (gtx->priv->stream, pos, start_time);	if (error == 0)	{		xine_error (gtx);		return FALSE;	}	return TRUE;}