C语言实现Windows下获取IP和MAC地址。

C语言实现Windows下获取IP和MAC地址。

 #include <winsock2.h>

 #include <stdio.h>

 #include <stdlib.h>

 #include <string.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[];

     char *ip;

     PHOSTENT hostinfo;

     if (WSAStartup(MAKEWORD(, ), &wsaData) == )

     {

         if (gethostname(name, sizeof(name)) == )

         {

             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;

     typedef struct _ASTAT_

     {

         ADAPTER_STATUS   adapt;

         NAME_BUFFER   NameBuff[];

     }ASTAT, *PASTAT;

     ASTAT Adapter;

     typedef struct _LANA_ENUM

     {

         UCHAR length;

         UCHAR lana[MAX_LANA];

     }LANA_ENUM;

     LANA_ENUM lana_enum;

     UCHAR uRetCode;

     memset(&ncb, , sizeof(ncb));

     memset(&lana_enum, , 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 = ; 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, , sizeof(ncb));

     ncb.ncb_command = NCBASTAT;

     ncb.ncb_lana_num = lana_enum.lana[];

     strcpy_s((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_s(mac,, "%02X-%02X-%02X-%02X-%02X-%02X",

         Adapter.adapt.adapter_address[],

         Adapter.adapt.adapter_address[],

         Adapter.adapt.adapter_address[],

         Adapter.adapt.adapter_address[],

         Adapter.adapt.adapter_address[],

         Adapter.adapt.adapter_address[]

         );

     return ;

 }

 int main(void)

 {

     CheckIP();

     char   mac[];

     getMAC(mac);

     printf(" mac地址 : %s ", mac);

     getchar();

     return ;

 }