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C/C++ code:

#include<iostream>
#include<map>
#include<stdlib.h>
#include<signal.h>
#include<errno.h>
#include<unistd.h>
#include<string.h>
#include<sys/resource.h>
#include<sys/stat.h>
#include<sys/types.h>
#include<fcntl.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<sys/socket.h>

#define PORT 80
#define BUFSIZE 8196
#define LISTENQ 64 //

using namespace std;

struct client_t{
int fd;
int state;
unsigned int pois;
string ip;
string read_buf;
string write_buf;

//http request
string method_req;
string url;
string http_v;
string host;
client_t(){
fd=0;
state=0;//¶Áд״̬£¬0-¶Á£¬1-д
pois=0;
ip.clear();
read_buf.reserve(BUFSIZE);
write_buf.reserve(BUFSIZE);
method_req.clear();


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int main()
{
  char x, y, z;
  int i;
  int a[16];
  for(i=0; i<=16; i++)
  {
  a[i] = 0;
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