getmac.c

来自「关于利用DELPHI来进行企业级方案解决的著作的附书源码」· C语言 代码 · 共 87 行

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

typedef struct _ASTAT_
   {

      ADAPTER_STATUS adapt;
      NAME_BUFFER    NameBuff [30];

   }ASTAT, * PASTAT;

//得到LANA编号
//lana返回的的LANA数组
//返回LANA数量
int  __stdcall __declspec(dllexport) GetLanaID(int *lana)
{

      NCB Ncb;
      UCHAR uRetCode;
      LANA_ENUM   lenum;
      int i;

      memset( &Ncb, 0, sizeof(Ncb) );
      Ncb.ncb_command = NCBENUM;
      Ncb.ncb_buffer = (UCHAR *)&lenum;
      Ncb.ncb_length = sizeof(lenum);
      uRetCode = Netbios( &Ncb );

      if (uRetCode==NRC_GOODRET)
        {
          for (i=0; i < lenum.length ;i++)
          lana[i] = lenum.lana[i];
        }
      return  lenum.length;

}

/*得到MAC地址*/
//LANAID：LANA编号，输入参数
//addr:返回的MAC地址
//返回0表示成功，反之，失败
int  __stdcall __declspec(dllexport) GetMACAddress(int LANAID,int *addr)
{
  NCB Ncb;
  UCHAR uRetCode;
  char NetName[50];
  ASTAT Adapter;

   memset( &Ncb, 0, sizeof(Ncb) );
   Ncb.ncb_command = NCBRESET;
   Ncb.ncb_lana_num = LANAID;

   uRetCode = Netbios( &Ncb );

   memset( &Ncb, 0, sizeof (Ncb) );
   Ncb.ncb_command = NCBASTAT;
   Ncb.ncb_lana_num = LANAID;

   strcpy( Ncb.ncb_callname,  "*               " );
   Ncb.ncb_buffer = (char *) &Adapter;
   Ncb.ncb_length = sizeof(Adapter);

   uRetCode = Netbios( &Ncb );
   if ( uRetCode == 0 )
   {
    addr[0]= Adapter.adapt.adapter_address[0];
    addr[1]= Adapter.adapt.adapter_address[1];
    addr[2]= Adapter.adapt.adapter_address[2];
    addr[3]= Adapter.adapt.adapter_address[3];
    addr[4]= Adapter.adapt.adapter_address[4];
    addr[5]= Adapter.adapt.adapter_address[5];

    }
   return uRetCode;

}

#pragma argsused
int WINAPI DllEntryPoint(HINSTANCE hinst, unsigned long reason, void* lpReserved)
{
        return 1;
}
//---------------------------------------------------------------------------