window_pane_get_new_data
window_pane_get_new_data(wp, &cp->queued, &new_size);
new_data = window_pane_get_new_data(wp, &cp->offset, &new_size);
new_data = window_pane_get_new_data(wp, &wp->offset, &new_size);
window_pane_get_new_data(wp, wpo, &new_size);
void *window_pane_get_new_data(struct window_pane *,
new_data = window_pane_get_new_data(wp, wpo, &new_size);