获取Mac地址

 netapi32.lib
#include <NB30.h>;
typedef struct _ASTAT_   
{
    ADAPTER_STATUS adapt;
    NAME_BUFFER NameBuff[30];
}ASTAT, *PASTAT;   
void GetNetCardMac(int lana_num, char *pszOut)
{
    NCB ncb;   
    UCHAR uRetCode;   
    ASTAT Adapter;
    
    memset(&ncb, 0, sizeof(ncb));
    ncb.ncb_command = NCBRESET;  
    ncb.ncb_lana_num = lana_num;
    
    uRetCode = Netbios(&ncb);
    
    memset(&ncb, 0, sizeof(ncb));
    ncb.ncb_command = NCBASTAT;
    ncb.ncb_lana_num = lana_num;           //Ö¸¶¨Íø¿¨ºÅ
    
    strcpy((char *)ncb.ncb_callname, "*                               ");
    ncb.ncb_buffer = (unsigned char *)&Adapter;
    
    ncb.ncb_length = sizeof(Adapter);
    
    uRetCode = Netbios(&ncb);
    if (uRetCode == 0)
    {
        sprintf(pszOut, "%02X%02X%02X%02X%02X%02X",
            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]
            );
        //strcpy(pszOut, "00E04C0F7847");
        //strcpy(pszOut, "00E04C0F783C");
    }
}
void GetCardInfo(int iIdx, char *pszMac)
{
    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);
    
    uRetCode = Netbios(&ncb);
    
    for (int i = 0; i < lana_enum.length; ++i)
    {
        if (i == iIdx)
        {
            GetNetCardMac(lana_enum.lana[i], pszMac);  
        }
    }   
}