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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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