WSADATA wsa;
if (WSAStartup(MAKEWORD(2, 2), &wsa) != 0)
{
	std::cout << "ERROR: WSAStartup failed" << std::endl;
	std::cin.get();
}

SOCKET s;
if ((s = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
{
	std::cout << "ERROR: Can't create socket - " << WSAGetLastError() << std::endl;
	std::cin.get();
}

struct sockaddr_in server;
server.sin_family = AF_INET;
server.sin_addr.s_addr = inet_addr("127.0.0.1");
server.sin_port = htons(31001);

if (connect(s, (struct sockaddr*)&server, sizeof(server)) < 0)
{
	std::cout << "ERROR: Can't connect to server" << std::endl;
	std::cin.get();
}

std::cout << "INFO: Connected to server" << std::endl;
std::cin.get();

// Now we can send/receive data

closesocket(s);
WSACleanup();