C语言实现Windows下获取IP和MAC地址。
复制代码
1 #include
2 #include
3 #include
4 #include
5 #include
6 #include
7 #include
8 #pragma comment(lib,"ws2_32.lib")
9 #pragma comment(lib,"netapi32.lib")
10 void CheckIP(void)
11 {
12 WSADATA wsaData;
13 char name[155];
14 char *ip;
15 PHOSTENT hostinfo;
16 if (WSAStartup(MAKEWORD(2, 0), &wsaData) == 0)
17 {
18 if (gethostname(name, sizeof(name)) == 0)
19 {
20if ((hostinfo = gethostbyname(name)) != NULL)
21{
22 ip = inet_ntoa(*(struct in_addr *)*hostinfo->h_addr_list);
23 printf(" IP地址: %s ", ip);
24}
25 }
26 WSACleanup();
27 }
28 }
29 int getMAC(char * mac)
30 {
31 NCB ncb;
32 typedef struct _ASTAT_
33 {
34 ADAPTER_STATUS adapt;
35 NAME_BUFFER NameBuff[30];
36 }ASTAT, *PASTAT;
37
38 ASTAT Adapter;
39 typedef struct _LANA_ENUM
40 {
41 UCHAR length;
42 UCHAR lana[MAX_LANA];
43 }LANA_ENUM;
44 LANA_ENUM lana_enum;
45 UCHAR uRetCode;
46 memset(&ncb, 0, sizeof(ncb));
47 memset(&lana_enum, 0, sizeof(lana_enum));
48
49 ncb.ncb_command = NCBENUM;
50 ncb.ncb_buffer = (unsigned char *)&lana_enum;
51 ncb.ncb_length = sizeof(LANA_ENUM);
52 uRetCode = Netbios(&ncb);
53 if (uRetCode != NRC_GOODRET)
54 return uRetCode;
55
56 for (int lana = 0; lana
57 {
58 ncb.ncb_command = NCBRESET;
59 ncb.ncb_lana_num = lana_enum.lana[lana];
60 uRetCode = Netbios(&ncb);
61 if (uRetCode == NRC_GOODRET)
62break;
63 }
64 if (uRetCode != NRC_GOODRET)
65 return uRetCode;
66
67 memset(&ncb, 0, sizeof(ncb));
68 ncb.ncb_command = NCBASTAT;
69 ncb.ncb_lana_num = lana_enum.lana[0];
70 strcpy_s((char*)ncb.ncb_callname,5, "*");
71 ncb.ncb_buffer = (unsigned char *)&Adapter;
72 ncb.ncb_length = sizeof(Adapter);
73 uRetCode = Netbios(&ncb);
74 if (uRetCode != NRC_GOODRET)
75 return uRetCode;
76 sprintf_s(mac,18, "%02X-%02X-%02X-%02X-%02X-%02X",
77 Adapter.adapt.adapter_address[0],
78 Adapter.adapt.adapter_address[1],
79 Adapter.adapt.adapter_address[2],
80 Adapter.adapt.adapter_address[3],
81 Adapter.adapt.adapter_address[4],
82 Adapter.adapt.adapter_address[5]
83 );
84 return 0;
85 }
86 int main(void)
87 {
88 CheckIP();
89 char mac[200];
90 getMAC(mac);
91 printf(" mac地址 : %s ", mac);
92 getchar();
93 return 0;
94 }
