#include <iostream.h>#include <winsock.h>#include <cstdlib>#include <string>#include <vector>SOCKET theSocket;char *readLine();// This function reads a line from the server// TODO : Optimise this to not use single byte recv''s however for this demonstration it is finechar *readLine(){	std::vector<char> theVector;	char buffer[1];	while (true)	{		int gotbytes = recv(theSocket, buffer, 1, 0);		// If we have no more data or there was an error then return with nothing		if (gotbytes <= 0)		{			return 0;			// Since we are using C++ ''0'' looks tidier than NULL		}		// We can assume that thye recv function having succeeded has put one char in to our buffer		// So test for a \n		if (buffer[0] == ''\n'')		// NOTE : Only works if \n equates to the same \n as the server. Luckily this does.		{			// +1 for null termination of the string			char * pChar = new char[theVector.size()+1];			// Remark : Using "for (int f = 0..." is not valid C++ if we expect to have int f valid after the scope of the cor statement			int f;			for (f = 0; f < theVector.size(); f++)			{				pChar[f] = theVector[f];			}			// Null terminate the string			pChar[f] = 0;		// NULL terminate our text line from Google			return pChar;		}		else		{			theVector.push_back(buffer[0]);		}	}}int main(int argc, char *argv[]){	WORD version = MAKEWORD(1,1);	WSADATA wsaData;	int nRet;	//start winsock	WSAStartup(version, &wsaData);	//store info about the server	LPHOSTENT lpHostEntry;	lpHostEntry = gethostbyname("www.google.com");	if(lpHostEntry == NULL)	{		cerr << "Error at gethostbyname()" << endl;		system("pause");		return -1;	}	//create socket	//over tcp/ip, socket type, protocal	theSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);	//SOCKADDR_IN to fill in address info	SOCKADDR_IN saServer;	saServer.sin_family = AF_INET;	//address of server being inserted into addr field	saServer.sin_addr = *((LPIN_ADDR)*lpHostEntry->h_addr_list);	saServer.sin_port = htons(80);	//connect	//server addr, sizeof addr struct	nRet = connect(theSocket, (LPSOCKADDR)&saServer, sizeof(struct sockaddr));	if(nRet == SOCKET_ERROR)	{		cerr << "Error at connect()" << endl;		system("pause");		return -1;	}	//connected	std::string strSend("get / HTTP/1.1\n\n");	nRet = send(theSocket, strSend.c_str(), strSend.length(), 0);	if(nRet == SOCKET_ERROR)	{		cerr << "Error at send()" << endl;		system("pause");		return -1;	}	//recieve	cout << strSend.c_str() << endl << strSend.length() << endl;	cout << "Getting data from server..." << endl;	char *linegot;	while ( (linegot = readLine()) != 0)	{		cout << linegot << endl;		// Remark : The line from readLine() is not freed, is this what you wanted?	}	closesocket(theSocket);	//shutdown winsock	WSACleanup();	cout << "done." << endl;	system("pause");	return 0;}