myt0929的专栏

#include #include #include #pragma comment(lib,"ws2_32.lib") int main() { //加载socket动态库 WORD wVersionRequested; WSADATA wsaData; wVersionRequested = MAKEWORD(2,2); auto err = WSAStart

#include #include #include #pragma comment(lib,"ws2_32.lib") int main() { //加载socket动态库 WORD wVersionRequested; WSADATA wsaData; wVersionRequested = MAKEWORD(2,2); auto err = WSAStart

Select对于一个I/O端口，两次调用，两次返回，比阻塞I/O并没有什么优越性，关键是能实现同时对多个IO端口进行监听。 #include #include #define PORT       22000 #define MSGSIZE    1024 #pragma comment(lib, "ws2_32.lib") int    g_iTotalConn