C / C++ / MFC

SOCKET	sniffSocket;
if((sniffSocket= socket(AF_INET, SOCK_RAW, IPPROTO_IP))==SOCKET_ERROR)
{	
  return 0;
}
struct sockaddr_in src;
memset(&src, 0, sizeof(src));
src.sin_addr.S_un.S_addr = inet_addr (pAdapterInfo->IpAddressList.IpAddress.String);
// pAdapterInfo is the adapter as selected by the user
src.sin_family = AF_INET;
src.sin_port = 0;

if (bind(sniffSocket,(struct sockaddr *)&src, sizeof(src)) == SOCKET_ERROR)
{	
  return 0;
}

int j=1;
if (WSAIoctl(sniffSocket, SIO_RCVALL, &j, sizeof(j), 0, 0, &in, 0, 0) == SOCKET_ERROR)
{	
  return 0;
}

char *pkt_data = (char *)malloc(65536); //Its Big!
int res;
do
{
  res = recvfrom(sniffSocket, pkt_data, 65536, 0, 0, 0); //Eat as much as u can
  ...
  ...
}
while (res > 0);
...
...