WSAStartup()

#include "stdafx.h"
#include <iostream>
#include "winsock.h"

const int WINSOCK_VERSION = 0x0101;


int _tmain(int argc, _TCHAR* argv[])
{
    using std::cout;
    using std::cin;
    using std::endl;

    WSADATA wsaData;
    int error;

    error = WSAStartup(WINSOCK_VERSION, &wsaData);
    if (error != 0)
    {
        cout << "Error: socket not be initialized!" << endl;
        WSACleanup();
    }
    else
        cout << "OK!" << endl;
    return 0;
}