c++获取本机的MAC地址

#include < nb30.h >
#pragma comment(lib,"Netapi32.lib")

typedef struct _ASTAT_

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


ASTAT Adapter;


// 定义一个存放返回网卡信息的变量
// 输入参数：lana_num为网卡编号，一般地，从0开始，但在Windows 2000中并不一定是连续分配的


void getmac_one (int lana_num)
{
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 );
//printf( "The NCBRESET return code is: 0x%x \n", uRetCode );
 
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 );
//printf( "The NCBASTAT return code is: 0x%x \n", uRetCode );
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
printf( "The Ethernet Number[%d] is: %02X-%02X-%02X-%02X-%02X-%02X\n",
lana_num,
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] );
}

}

int main()
{
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 );
//printf( "The NCBENUM return code is: 0x%x \n", uRetCode );
if ( uRetCode == 0 )
{
//printf( "Ethernet Count is : %d\n\n", lana_enum.length);
  
// 对每一张网卡，以其网卡编号为输入编号，获取其MAC地址
for ( int i=0; i< lana_enum.length; ++i)
getmac_one( lana_enum.lana[i]);
}
return 0;

}