ftp的文件下载（qt4平台C语言编写），与xp下使用的ftp下载差不多，界面没xp下好看，基本实现了文件的下载和上传-ftp file download (qt4 platform, C language), and use the ftp download xp or less the same under the good-looking interface, not xp, basically download and upload documents

ftp 客户端编写（包含主动及被动模式）-FTP client code (including active and passive mode)

多人炸金花游戏： 使用面向对象的思想处理游戏，过程中使用了生产者和消费者模式来构建多线程，配合mutex锁，条件变量实现服务器的高并发。(Many people fry golden flower game: The use of object-oriented thinking to deal with the game, the process uses the producer and consumer models to build multi-threaded, with mute