Class - reading from the server (g++/linux)

#include <iostream>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define max_buffer 50000
#define sp_text "GET /\n"
using namespace std;

class read_WWW
{
    private:
     char *buf;
     struct hostent *temp_host;
     struct sockaddr_in s_in;
     int r_socket;
     ssize_t temp_read;
   
   
    public:
    read_WWW(char *www,int port_number)
    {
        buf=new char[max_buffer];
        s_in.sin_family=AF_INET;
        r_socket=socket(PF_INET,SOCK_STREAM,0);
        temp_host=gethostbyname(www);
        s_in.sin_addr=*((struct in_addr*) temp_host->h_addr);
        s_in.sin_port=htons(port_number);
        sprintf(buf,sp_text);
    }
    void write_WWW()
    {
        write(r_socket,buf,strlen(buf));
        while(1)
        {
            temp_read=read(r_socket,buf,max_buffer);
            fwrite(buf,sizeof(char),temp_read,stdout);
        }
    }
       
   
    ~read_WWW()
    {
        delete buf;
    }
};