window_panes_map_y
y = window_panes_map_y(lc->g.yoff, osy, dsy);
y2 = window_panes_map_y(lc->g.yoff + lc->g.sy, osy,
y = window_panes_map_y(lcchild->g.yoff + lcchild->g.sy,
y = window_panes_map_y(lc->g.yoff, osy, dsy);
y2 = window_panes_map_y(lc->g.yoff + lc->g.sy, osy,
*yp = window_panes_map_y(lc->g.yoff - 1, osy, dsy);
*y2p = window_panes_map_y(lc->g.yoff + lc->g.sy, osy, dsy);
y = window_panes_map_y(lc->g.yoff, osy, dsy);
y2 = window_panes_map_y(lc->g.yoff + lc->g.sy, osy,
y = window_panes_map_y(lcchild->g.yoff + lcchild->g.sy,