shuzang

<!--
---
title: "读书、观影和旅行记录"
date: 2019-05-19
---
-->
<style>
  @import url('https://fonts.googleapis.com/css?family=Montserrat:300,400,700,800');
  * {
    box-sizing: border-box;

shuzang

#define WIN32_LEAN_AND_MEAN
#include <stdio.h>
#include <stdlib.h>
#include<windows.h>  //Sleep函数所需
#include <winsock2.h>
#pragma  comment(lib,"ws2_32.lib") //套接字编程需要的库文件


#define ICMP_ECHO 8      // 请求回显 ping请求 请求回显8
#define ICMP_ECHOREPLY 0 // 回显应答0