#include?
#include?
#include?
#include
#include??
#pragma?comment（lib“ws2_32“）?//指定連接到網絡應用和internet
#define?IO_RCVALL?_WSAIOW（IOC_VENDOR1）?
typedef?struct?IP_HEAD?
{?
union?//定義聯合
{?
unsigned?char?Version;?
unsigned?char?HeadLen;?
};?
unsigned?char?ServiceType;?
unsigned?short?TotalLen;?
unsigned?short?Identifier;?
union?
{?
unsigned?short?Flags;?
unsigned?short?FragOffset;?
};?
unsigned?char?TimeToLive;?
unsigned?char?Protocol;?
unsigned?short?HeadChecksum;?
unsigned?int?SourceAddr;?
unsigned?int?DestinAddr;?
unsigned?char?Options;?
}ip_head;?//定義IP頭部的數據結構

void?main（int?argcchar?*argv[]）?
{?
using?namespace?std;?
ofstream?outfile（“C:\\logfile.txt“ios::out）;

/*if（argc!=2）?
{?
cout<return;
}?*/


WSADATA?WSAData;?
if（WSAStartup（MAKEWORD（22）?&WSAData）!=0）?
{?
cout<return;?
}?

SOCKET?sock=socket（AF_INETSOCK_RAWIPPROTO_IP）;?//三個參分別為通信發生的區字段，套接字的類型，與IP協議
if（sock==INVALID_SOCKET）?
{?
cout<closesocket（sock）;?
WSACleanup（）;?
}?

BOOL?flag=TRUE;?
if（setsockopt（sockIPPROTO_IPIP_HDRINCL（char?*）?&flagsizeof（flag））==SOCKET_ERROR）?
{?
cout<closesocket（sock）;?
WSACleanup（）;?
}?

char?hostName[128];//獲取主機名?
if（gethostname（hostName100）==SOCKET_ERROR）?
{?
cout<closesocket（sock）;?
WSACleanup（）;?
}?

hostent?*pHostIP;?//獲取本地IP
if（（pHostIP=gethostbyname（hostName））==NULL）?
{?
cout<closesocket（sock）;?
WSACleanup（）;?
}?

sockaddr_in?host_addr;//?
host_addr.sin_family=AF_INET;?
host_addr.sin_port=htons（6000）;?
host_addr.sin_addr=*（in_addr?*）pHostIP->h_addr_list[0];?
if（bind（sock（PSOCKADDR）&host_addrsizeof（host_addr））==SOCKET_ERROR）?
{?
cout<closesocket（sock）;?//綁定網卡
WSACleanup（）;?
}?


DWORD?dwBufferLen[10];?
DWORD?dwBufferInLen=1;?
DWORD?dwBytesReturned=0;?
if（WSAIoctl（sock??IO_R