求索阁

GetHostNameAndIP()

{

         CString strIp[10];
         int nCount = 0;
         WORD wversionrequested;
         WSADATA wsadata;
         char name[255];

         wversionrequested = MAKEWORD(2, 0);
         if(WSAStartup(wversionrequested, &wsadata) == 0 )
         {
                  if(gethostname(name, sizeof(name)) == 0)
                  {
                           PHOSTENT hostinfo;
                           hostinfo = gethostbyname(name);
                           for(int i = 0;hostinfo != NULL && hostinfo->h_addr_list[i] != NULL; i++)
                           {
                                    strIp[i] = inet_ntoa(*(struct in_addr*)hostinfo->h_addr_list[i]);   //主要在这里
                                    nCount++;
                            }
                      }
                      WSACleanup();

            }

}

注:以上代码需添加头文件<winsock2.h>及库文件WS2_32.LIB