一个判断远程主机存活程序代码(ping) #include #include #include #include #include "winsock.h" #pragma comment(lib,"Ws2_32"); #define SEND_SIZE 32 #define PACKET_SIZE 4096 #define ICMP_ECHO 8 #define ICMP_ECHOREPLY 0 struct icmp {

winsocket //--- --- ----- // Initialize Winsock WSAStartup(MAKEWORD(2,2), &wsaData) //----------------------------------------------- // Create a receiver socket to receive datagrams RecvSocket = socket(AF_INET, SOCK_DGRAM, IPP

一个基本的基于UDP协议的VC++服务端，客户端程序，你从中能学到设置WSADATA变量、套接字定义、接收数据缓冲区的创建、初始化套结字动态库、获取接收数据缓冲区大孝检查设置系统接收数据缓冲区是否成功、服务器地址绑定、设置系统接收数据为默认的BUF_TIMES倍等。 -A basic UDP protocol based on VC++ server, the client program, you can learn a set WSADATA variable, socket defin

一个获得主机名称和本地ip地址的简单程序。通过利用WSADATA 获取。-A simple procedure to obtain the local host name and IP address. By using WSADATA to get.