1 /*
2  * Copyright (C) 2015-2020 Alibaba Group Holding Limited
3  */
4 
5 #include "stdio.h"
6 #include <stdlib.h>
7 #include <stdbool.h>
8 #include <sys/socket.h>
9 #include <fcntl.h>
10 #include <unistd.h>
11 
12