tcp udp 网络编程源码 //创建套接字 sHost = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) if(INVALID_SOCKET == sHost) { printf("socket failed!\n") WSACleanup() //释放套接字资源 return -1 } //设置服务器地址 servAddr.sin_family =AF_INET servA