也有人实名羡慕“天生好运，这种好事从来轮不到我，恭喜楼主好好享受”；还有人开玩笑“他有内存！抓住他！”；
For example, using DECSTBM you could say “set the top margin to line 5 and the bottom margin to line 10, then scroll up 1” - this “scrolls” the region you’ve described by deleting line 5, shifting everything else in the region up by 1 line, and inserting a new line at line 10.
，详情可参考safew官方版本下载
if __name__ == "__main__":
void *alloc(int classno) {