[SFML 2.1] Network

#include <SFML/Network.hpp>
#include <string>
#include <iostream>
#include <cstdlib>

using namespace std;

int main()
{
    sf::TcpListener listener;
   
    char buffer[ 2000 ];
    size_t received;
   
    unsigned port;
    unsigned slot;
    string server_msg = "Welcome to chat!";
   
    cout << "Enter the port: ";
    cin >> port;
   
    system( "cls" );
    cout << "Welcome, type help to show command list" << endl;
   
    listener.listen( port );
    sf::TcpSocket socket;
   
    while( true )
    {
        if( listener.accept( socket ) == sf::Socket::Done )
        {
            cout << "<< removed >>" << endl;
            socket.receive( buffer, sizeof( buffer ), received );
            if( received > 0 )
            {
                cout << buffer;
                cout << " join to the chat by IP: " << socket.getRemoteAddress() << endl;
                socket.send( server_msg.c_str(), server_msg.length() + 1 );
            }
        }
       
        socket.receive( buffer, sizeof( buffer ), received );
        cout << buffer << endl;
    }
   
    return EXIT_SUCCESS;
}

#include <SFML/Network.hpp>
#include <string>
#include <iostream>

using namespace std;

int main()
{
    sf::IpAddress ip;
    sf::TcpSocket socket;
   
    char buffer[ 2000 ];
    size_t received;
   
    string ip_adress;
    unsigned port;
    string name;
   
    cout << "Enter the ip adress: ";
    cin >> ip_adress;
   
    cout << "Enter the port: ";
    cin >> port;
   
    cout << "Enter name: ";
    cin >> name;
   
    socket.connect( ip_adress, port );
   
    socket.send( name.c_str(), name.length() + 1 );
    socket.receive( buffer, sizeof( buffer ), received );
   
    cout << buffer << endl;
   
    string user_msg = "";
    cin.clear();
   
    while( true )
    {
        cout << name << ": ";
        cin >> user_msg;
        socket.send( user_msg.c_str(), user_msg.length() + 1 );
    }
   
    return EXIT_SUCCESS;
}