[HaBo]

#include <windows.h>
#pragma comment(lib, "ws2_32.lib")

int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR lpCmdLine, int nShowCmd)
{
	int sock, temp;
	SOCKADDR_IN addr;
	WSADATA wd;

	WSAStartup(MAKEWORD(2,0), &wd);

	sock = socket(AF_INET, SOCK_STREAM, 0);
	if(sock==INVALID_SOCKET)
		return 1;

	memset(&addr, 0, sizeof(SOCKADDR_IN));
	addr.sin_addr.s_addr = 0;
	addr.sin_family = AF_INET;
	addr.sin_port = htons(123);		

	if(bind(sock, (SOCKADDR*)&addr, sizeof(SOCKADDR_IN)))
	{
		closesocket(sock);
		return 1;
	}

	if(listen(sock, 1))
	{
		closesocket(sock);
		return 1;
	}

	while((temp=accept(sock, 0, 0))!=INVALID_SOCKET)
	{
		send(temp, "Online\n", 7, 0);
		closesocket(temp);
	}
	
	WSACleanup();
	closesocket(sock);	
	return 0;
}

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