yinhaijing123的专栏

http://www.codeproject.com/Articles/7828/CHttpClient-A-Helper-Class-Using-WinInet

1、 telnet  iP Port 2、netstat -a

头文件 #ifndef __PING_H__#define __PING_H__ // // Ping.h // #pragma once #pragma pack(1) #include #define ICMP_ECHOREPLY 0 #define ICMP_ECHOREQ 8 #define PINGERR_SOCKET_ERROR -1 #define PINGERR_TIME