『windows』获得MAC地址的C语言实现

#include <winsock2.h>
#include <stdio.h>
#include <stdlib.h>
#include <httpext.h>
#include <windef.h>
#include <Nb30.h>
#pragma comment(lib,"ws2_32.lib")
#pragma comment(lib,"netapi32.lib")
void CheckIP(void)
{
WSADATA wsaData;
char name[155];
char *ip;
PHOSTENT hostinfo;
if ( WSAStartup( MAKEWORD(2,0), &wsaData ) == 0 )
{
if( gethostname ( name, sizeof(name)) == 0)
{
if((hostinfo = gethostbyname(name)) != NULL)
{
ip = inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list);
printf(" IP地址: %s ",ip);
}
}
WSACleanup( );
}
}
int getMAC(char * mac)
{
NCB ncb; // Network control block
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)
{
CheckIP();
char   mac[200];
getMAC(mac);
printf(" mac地址 : %s ",mac);
return 0;
}