这是我写的三个数据结构中程序，栈，队列，链表，对学习指针有很好的指导作用。-This is a data structure procedures, three I wrote in the stack, queue, linked list, a very good role in guiding the study of pointer.

LinuxC ftp服务器，数据结构哈希表，链表，进程间通信共享内存，消息队列等实现文件上传和下载，限制最大连接数。-Communication shared memory, message queues, etc. between LinuxC ftp file upload server, data structures hash tables, lists, and download process, limit the maximum number of connections.