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---- 请运行VC++,打开一个新的工程,选择创建一个Win32 Console程序,然后按下文输入代码,并请参见其中的注释:
#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]
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;
}
---- 此时,按F7编译、直至通过,按F5运行即可。
---- 这段代码可以直接嵌入相关的应用系统之中,或封装成.DLL或COM控件,以便可以在Visual Basic、Visual Foxpro、Power Builder或Delphi等其他程序中调用
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