新建 文本文档 (3).txt

网卡中读取MAC地址

 #include \"stdafx.h\"

#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，所以需要包含其题头文件nb30.h #include < nb30.h >
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]  [Page]
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\\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;
}