server_client_overlay_range
server_client_overlay_range(md->px, md->py, menu->width + 4,
server_client_overlay_range(pd->px, pd->py, pd->sx,
server_client_overlay_range(pd->px, pd->py, pd->sx, pd->sy, px, py, nx,
void server_client_overlay_range(u_int, u_int, u_int, u_int, u_int, u_int,