需要包括的头文件与库文件：

1 #include "Winsock2.h"   2 // PING   3 #include "Ipexport.h"   4 #include "Icmpapi.h"   5 #include "winsock.h"   6    7 extern HWND ghMainWnd;   8    9 #pragma comment (lib, "Iphlpapi.lib")   10 #pragma comment (lib, "Ws2.lib")

源代码如下：

1 int Ping(TCHAR *Address , int iTtl , int iWaitTime , TCHAR *szName , int *prtt)   2 {   3     IPAddr                ipAddress ;   4     IP_OPTION_INFORMATION ipInfo ;   5     ICMP_ECHO_REPLY       icmpEcho;    6     HANDLE                hFile;       7     char                  strHost  [ MAX_PATH ] ;   8     TCHAR                 szPCName [ MAX_PATH ]  = { TEXT( "" ) } ;   9     int                   iRet = -1 ;  10     struct in_addr iaDest;      // Internet address structure  11     LPHOSTENT pHost;            // Pointer to host entry structure  12   13     RETAILMSG(1,(L"TICK: %d - [TCP Client]Enter Ping......\r\n",GetTickCount() / 1000));  14   15     _tcscpy( szName , TEXT("") );  16     WideCharToMultiByte( CP_ACP, 0, Address , -1, strHost, sizeof( strHost ), NULL, FALSE );  17     ipAddress = inet_addr(strHost);  18     iaDest.s_addr = inet_addr(strHost);  19     if (iaDest.s_addr == INADDR_NONE)  20     {  21         pHost = gethostbyname(strHost);  22         if( pHost )  23         {  24             char *pIP ;  25             iaDest.S_un.S_addr = *(DWORD *)(*pHost->h_addr_list) ;  26             pIP = inet_ntoa( iaDest ) ;  27             if( strlen( pIP ) )  28                 MultiByteToWideChar( CP_ACP, 0, pIP , -1, szPCName, sizeof( szPCName ) );  29             if( _tcslen( szPCName ) )  30                 _tcscpy( szName , szPCName );  31         }  32     }  33     else  34     {  35         pHost = gethostbyaddr((const char *)&iaDest,   36             sizeof(struct in_addr), AF_INET);  37         if( pHost )  38         {  39             MultiByteToWideChar( CP_ACP, 0, pHost->h_name , -1, szPCName, sizeof( szPCName ) );  40             if( _tcslen( szPCName ) )  41                 _tcscpy( szName , szPCName );  42         }  43     }  44     if( pHost )  45         ipAddress = *(DWORD *)(*pHost->h_addr_list) ;  46     if (ipAddress != INADDR_NONE)  47     {     48         iRet = 0 ;  49         hFile = IcmpCreateFile();  50   51         // Set some reasonable default values  52         ipInfo.Ttl   = iTtl ;  53         ipInfo.Tos   = 0;  54         ipInfo.Flags = 0;  55         ipInfo.OptionsSize = 0 ;  56         ipInfo.OptionsData = NULL ;  57         icmpEcho.Status    = IP_REQ_TIMED_OUT/*IP_SUCCESS*/ ;  58         IcmpSendEcho( hFile , ipAddress , NULL , 0 ,  59             (PIP_OPTION_INFORMATION)&ipInfo,  60             &icmpEcho , sizeof(ICMP_ECHO_REPLY) , iWaitTime ) ;   61         IcmpCloseHandle(hFile) ;  62         if ( icmpEcho.Status == IP_SUCCESS )  63             iRet = 1 ;  64   65         *prtt = icmpEcho.RoundTripTime ;  66     }  67     return iRet ;  68 }

调用示例：

1 static LPTSTR strIpAddr[] =    2 {   3     L"202.96.209.5",    // 上海 DNS   4     L"220.181.6.18",    // 百度   5     L"202.100.4.15",    // 西安 DNS   6 };   7  8 TCHAR tcName[MAX_PATH] = {
   0};   9 int iPtt = 0;  10 int iPingRet = Ping(strIpAddr[giPingIndex],128,3000,tcName,&iPtt);  //ping tmc server  11   12 if(iPingRet == 1)  13 {  14     RETAILMSG(1, (TEXT("TICK: %d - Ping IP: %s Success.\r\n"),GetTickCount() / 1000, strIpAddr[giPingIndex]));  15 }  16 else  17 {  18 }