C#网络编程随书源代码，讲解了Socket编程基础，以及FTP,HTTP下载，SMTP实现邮件客户端，等网络编程基础。-C# network programming source code with the book to explain the basis for Socket programming, as well as FTP, HTTP download, SMTP mail client to achieve, such as network programming foundati

C语言 HTTP协议下载文件，实现断点续传，socket通讯，目前只支持ip和port方式连接，有兴趣的读者可完善域名方式。 -C language HTTP protocol to download files, to achieve HTTP, socket communication, currently only supports ip and port connected, interested readers may improve its domain name.