===================================
=========  Start Server
===================================
Server ist listening
client from xxx.xxx.xxx.xxx connected

Message: ┬ܲv▼→▲$■   &p♥wLl♥w°

Hier die Quell codes

Server

#include "include.h"
#include "Funktionen.h"

namespace ChatLoad
{
	void Chat::Server()
	{
		cout << "===================================" << endl
			 << "=========  Start Server" << endl;
		WSAData		wsa;
		if(WSAStartup(MAKEWORD(2,1),&wsa))
		{
			 printf("WSAStartup() failed, %lu\n", (unsigned long)GetLastError());
		}

		int				c,addr_len;
		SOCKET			sServer;
		SOCKADDR_IN		addr;

		addr.sin_addr.s_addr	= INADDR_ANY;
		addr.sin_port			= htons(5213);
		addr.sin_family			= AF_INET;

		sServer = socket(AF_INET,SOCK_STREAM,0);

		if(bind(sServer,(SOCKADDR*)&addr,sizeof(addr)) == -1)
		{perror("=========  Bind() Failed");}

		if(listen(sServer,3) == -1)
		{perror("=========  listen() Failed");}

		cout << "===================================" << endl;

		cout << "Server ist listening" << endl;
		for(;; Sleep(500))
		{
			addr_len = sizeof(addr);

			c = accept(sServer,(SOCKADDR*)&addr,&addr_len);
			if(c == -1)
			{
				perror("accept() Failed");
				continue;
			}
			char buffer1[1024];
			string buffer3;
			int bytes;

			printf("client from %s connected\n",inet_ntoa(addr.sin_addr));
			bytes = recv(sServer,buffer1,sizeof(buffer1),0);
			buffer1[bytes] = '\0';
			printf("\nMessage: %s \n",buffer1);

			send(sServer,buffer1,sizeof(buffer1),0);
		}
	}
}

Client

#include "ErrMsg.h"
#include "Funktionen.h"

#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <WinSock.h>

#pragma comment(lib,"wsock32.lib")

using namespace std;

namespace Funktion
{
	void Data::LoginSystem(char LoginName[1024], char LoginPass[1024],char auswertung[1024])
	{
		WSAData Version;

		if(WSAStartup(MAKEWORD(2,1), &Version))
		{
			MessageBoxA(NULL,"WSAStartup (); Failed","ERROR",MB_ICONINFORMATION);
		}

		SOCKET	    addr;
		SOCKADDR_IN	in;
		int iConnect;

		SOCKET			s;
		s = socket(AF_INET,SOCK_STREAM,0);

		in.sin_addr.s_addr		= inet_addr("xxx.xxx.xxx.xxx");
		in.sin_port				= htons(5213);
		in.sin_family			= AF_INET;

	iConnect = connect(s,(SOCKADDR*)&in,sizeof(in));

	if(iConnect != 0)
	{
		MessageBoxA(NULL,"Server ist Offline","ERROR",MB_ICONERROR);

		auswertung = "0";
	}

		send(s,LoginName,1024,0);
		send(s,LoginPass,1024,0);

		recv(s,auswertung,sizeof(auswertung),0);

		WSACleanup();
	}
}