#include <stdio.h>
#include <windows.h>
#include <Nb30.h>


#pragma comment(lib, "Netapi32.lib")

int getMAC(char * mac) 
{ 
	NCB ncb; 
	
	typedef struct _ASTAT_ 
	{ 
		ADAPTER_STATUS adapt; 
		NAME_BUFFER NameBuff [30]; 
	} ASTAT, * PASTAT; 
	ASTAT Adapter; 
	
	
	typedef struct _LANA_ENUM 
	{ 
		UCHAR length; 
		UCHAR lana[MAX_LANA]; 
	} LANA_ENUM ; 
	LANA_ENUM lana_enum; 
	
	
	UCHAR uRetCode; 
	memset( &ncb, 0, sizeof(ncb) ); 
	memset( &lana_enum, 0, sizeof(lana_enum)); 
	
	ncb.ncb_command = NCBENUM; 
	ncb.ncb_buffer = (unsigned char *) &lana_enum; 
	ncb.ncb_length = sizeof(LANA_ENUM); 
	uRetCode = Netbios( &ncb ); 
	if( uRetCode != NRC_GOODRET ) 
		return uRetCode ; 
	
	for( int lana=0; lana<lana_enum.length; lana++ ) 
	{ 
		ncb.ncb_command = NCBRESET; 
		ncb.ncb_lana_num = lana_enum.lana[lana]; 
		uRetCode = Netbios( &ncb ); 
		if( uRetCode == NRC_GOODRET ) 
			break ; 
	} 
	if( uRetCode != NRC_GOODRET ) 
		return uRetCode; 
	
	memset( &ncb, 0, sizeof(ncb) ); 
	ncb.ncb_command = NCBASTAT; 
	ncb.ncb_lana_num = lana_enum.lana[0]; 
	strcpy( (char* )ncb.ncb_callname, "*" ); 
	ncb.ncb_buffer = (unsigned char *) &Adapter; 
	ncb.ncb_length = sizeof(Adapter); 
	uRetCode = Netbios( &ncb ); 
	if( uRetCode != NRC_GOODRET ) 
		return uRetCode ; 
	sprintf(mac,"%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] ); 
	return 0; 
}

int main(void)
{
	char szMac[256] = {'\0'};
	getMAC(szMac);
	printf("%s\n", szMac);
	return 0;
}