可以统计任意硬盘分区的总空间、可用空间、每个扇区有多大-Division of the total hard disk space, the available space, how much of each Sector

判断逻辑驱动器A中磁盘的基本信息。根据给定的物理扇区号读取磁盘扇区。把磁盘上得到的信息输出到标准输出流中。-judgment logical drive A disk of basic information. According to the physics sector, disk sector read. Disk information on the output to standard output stream.

实现一个扫描器（词法分析程序）输入——源程序文件或源程序字符串,输出——相应的Token序列,关键字表和界符表及符号表和常数表 -The realization of a scanner (lexical analysis program) input- source file or source code string, the output- the corresponding Token sequence, keyword table and sector address table