8 * Pull i towards top of screen, just behind front
12 _memltofront(Memimage *i, Memimage *front, int fill)
16 Memimage *f, *ff, *rr;
22 while(l->front != front){
25 overlap = rectclip(&x, f->layer->screenr);
30 /* swap l and f in screen's list */
51 _memltofrontfill(Memimage *i, int fill)
53 _memltofront(i, nil, fill);
54 _memlsetclear(i->layer->screen);
58 memltofront(Memimage *i)
60 _memltofront(i, nil, 1);
61 _memlsetclear(i->layer->screen);
65 memltofrontn(Memimage **ip, int n)
75 _memltofront(i, front, 1);
78 s = front->layer->screen;