错误C4996'inet_addr'：

首先替换头文件
把#include <winsock2.h>换成#include<WS2tcpip.h>
再把addrSrv.sin_addr.S_un.S_addr = inet_addr(“127.0.0.1”);换成
inet_pton(AF_INET, "123.185.27.193", (void*)&addrSrv.sin_addr.S_un.S_addr);