获取MAC地址

#include "winsock2.h"
#include "iphlpapi.h"

#pragma comment ( lib, "ws2_32.lib" )
#pragma comment ( lib, "C:\Program Files\Borland\CBuilder6\Lib\Psdk\iphlpapi.lib" )

 

AnsiString GetRemoteMACAddress(AnsiString DestIP)

{

        unsigned char MacAddress[6];

        ULONG MacLen = 6;

        if (SendARP(inet_addr(DestIP.c_str()), 0,

                (PULONG)&MacAddress, &MacLen) == NO_ERROR)

        return IntToHex((int)MacAddress[0],2)

                + IntToHex((int)MacAddress[1],2)

                + IntToHex((int)MacAddress[2],2)

                + IntToHex((int)MacAddress[3],2)

                + IntToHex((int)MacAddress[4],2)

                + IntToHex((int)MacAddress[5],2);

        else return "????????????";

}

//获取的MAC地址带下划线”_”

AnsiString _GetRemoteMACAddress(AnsiString DestIP)

{

        AnsiString MacAddress=GetRemoteMACAddress(DestIP);

        for (int i=5;i>0;i--)

                MacAddress.Insert("-",i*2+1);

        return MacAddress;

}