winlink_find_by_window_id
if (winlink_find_by_window_id(&cs->windows, w->id) != NULL)
if (winlink_find_by_window_id(&cs->windows, w->id) != NULL) {
if (winlink_find_by_window_id(&s->windows, w->id) != NULL)
if (winlink_find_by_window_id(&cs->windows, w->id) != NULL)
wl2 = winlink_find_by_window_id(&s->windows, wl->window->id);
struct winlink *winlink_find_by_window_id(struct winlinks *, u_int);