1.GetAdapter直接枚举可以获取

2.WMIC Win32_NetWorkConfiguration 获取

3.netbios获取

#include "stdafx.h"
#include   <stdio.h>   
#include   <stdlib.h>   
#include   <httpext.h>   
#include   <windef.h>   
#include   <Nb30.h>
#pragma comment(lib, "netapi32")
int getMAC(char * mac)
{
	NCB ncb;
	typedef struct _ASTAT_
	{
		ADAPTER_STATUS   adapt;
		NAME_BUFFER   NameBuff[30];
	}ASTAT, *PASTAT;
	ASTAT Adapter;
	typedef struct _LANA_ENUM
	{   //   le 
		UCHAR   length;
		UCHAR   lana[MAX_LANA];
	}LANA_ENUM;
	LANA_ENUM lana_enum;
	UCHAR uRetCode;
	memset(&ncb, 0, sizeof(ncb));
	memset(&lana_enum, 0, sizeof(lana_enum));
	ncb.ncb_command = NCBENUM;
	ncb.ncb_buffer = (unsigned char *)&lana_enum;
	ncb.ncb_length = sizeof(LANA_ENUM);
	uRetCode = Netbios(&ncb);
	if (uRetCode != NRC_GOODRET)
		return uRetCode;
	for (int lana = 0; lana<lana_enum.length; lana++)
	{
		ncb.ncb_command = NCBRESET;
		ncb.ncb_lana_num = lana_enum.lana[lana];
		uRetCode = Netbios(&ncb);
		if (uRetCode == NRC_GOODRET)
			break;
	}
	if (uRetCode != NRC_GOODRET)
		return uRetCode;
	memset(&ncb, 0, sizeof(ncb));
	ncb.ncb_command = NCBASTAT;
	ncb.ncb_lana_num = lana_enum.lana[0];
	strcpy((char*)ncb.ncb_callname, "*");
	ncb.ncb_buffer = (unsigned char *)&Adapter;
	ncb.ncb_length = sizeof(Adapter);
	uRetCode = Netbios(&ncb);
	if (uRetCode != NRC_GOODRET)
		return uRetCode;
	sprintf(mac, "%02X-%02X-%02X-%02X-%02X-%02X",
		Adapter.adapt.adapter_address[0],
		Adapter.adapt.adapter_address[1],
		Adapter.adapt.adapter_address[2],
		Adapter.adapt.adapter_address[3],
		Adapter.adapt.adapter_address[4],
		Adapter.adapt.adapter_address[5]
	);
	return 0;
}
int t_main(int argc, char* argv[])
{
	char   mac[200];
	getMAC(mac);
	printf("   mac   :   %s   /n", mac);
	return 0;
}