VC获取网卡MAC 源码

#include < windows.h >
#include < wincon.h >
#include < stdlib.h >
#include < stdio.h >
#include < time.h >

// 因为是通过NetAPI来获取网卡信息，所以需要 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(int argc, char* argv[]) 
{
    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", 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((int)lana_enum.lana);
}
  }


return 0;
}