C++获取当前机器内网IP地址

 1 /*头文件*/
 2 #include "winsock2.h"
 3 
 4 #pragma comment(lib,"ws2_32.lib")
 5 
 6 /*Hui 获取当前服务器IP*/
 7     WSADATA wsaData; 
 8     char name[155]; 
 9     char *ip; 
10     PHOSTENT hostinfo; 
11     if ( WSAStartup( MAKEWORD(2,0), &wsaData ) == 0 ) 
12     { 
13         if( gethostname ( name, sizeof(name)) == 0) 
14         { 
15             if((hostinfo = gethostbyname(name)) != NULL) 
16             { 
17                 ip = inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list); 
18                 printf("当前服务器IP:%s
", ip); 
19             } 
20         } 
21         WSACleanup( ); 
22     }
23     /*END*/