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 ;
 }