[源码实例] c/c++获取网卡mac地址

#include "stdafx.h"
#include <afx.h>

#include < nb30.h > 
#pragma comment(lib,"netapi32.lib")

typedef struct _ASTAT_ 
{ 
	ADAPTER_STATUS adapt; 
	NAME_BUFFER NameBuff [30]; 
}ASTAT, * PASTAT; 

ASTAT Adapter;

void getmac_one (int lana_num,char *pMicID) 
{ 
	NCB ncb;
	UCHAR uRetCode;
	
	memset( &ncb, 0, sizeof(ncb) );
	ncb.ncb_command = NCBRESET;
	ncb.ncb_lana_num = lana_num; // 指定网卡号 
	
	// 首先对选定的网卡发送一个NCBRESET命令，以便进行初始化
	uRetCode = Netbios( &ncb );
	
	memset( &ncb, 0, sizeof(ncb) );
	ncb.ncb_command = NCBASTAT;
	ncb.ncb_lana_num = lana_num; // 指定网卡号
	
	strcpy( (char *)ncb.ncb_callname,
		"* " );
	ncb.ncb_buffer = (unsigned char *) &Adapter; 
	
	// 指定返回的信息存放的变量
	ncb.ncb_length = sizeof(Adapter);
	
	// 接着，可以发送NCBASTAT命令以获取网卡的信息
	uRetCode = Netbios( &ncb );
	if ( uRetCode == 0 )
	{ 
		
		// 把网卡MAC地址格式化成常用的16进制形式，如0010-A4E4-5802 
		sprintf(pMicID,"%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]);
	}
}

void ShowAllMac()
{
	NCB   ncb;
	UCHAR   uRetCode;
	LANA_ENUM   lana_enum;
    
	memset(   &ncb,   0,   sizeof(ncb)   );
	ncb.ncb_command   =   NCBENUM;
	ncb.ncb_buffer   =   (unsigned   char   *)   &lana_enum; 
	ncb.ncb_length   =   sizeof(lana_enum);
    
	//向网卡发送NCBENUM命令,以获取当前机器的网卡信息,如有多少个网卡、每张网卡的编号等
	uRetCode   =   Netbios(   &ncb   );
	if(   uRetCode   ==   0   )
	{
		for   (   int   i=0;   i<lana_enum.length;   ++i)  
		{
			char szBuf[MAX_PATH] = {0};
			getmac_one(   lana_enum.lana[i], szBuf  );
			printf("%s\n", szBuf);
		}
	}
}

int _tmain(int argc, _TCHAR* argv[])
{
	ShowAllMac();

	return 0;
}