screen_write_collect_clear
screen_write_collect_clear(ctx, 0, screen_size_y(s) - 1);
screen_write_collect_clear(ctx, s->cy, 1);
screen_write_collect_clear(ctx, s->cy + 1, sy - (s->cy + 1));
screen_write_collect_clear(ctx, 0, s->cy);
screen_write_collect_clear(ctx, 0, sy);
screen_write_collect_clear(ctx, s->rupper, 1);
static void screen_write_collect_clear(struct screen_write_ctx *, u_int,