本例程是基于VC++设计的，实现了文件中文字的读写操作。并能查找文件中文字的内容-The the routines based on VC++ design, text file read and write operations. And find the contents of the text file

本例程实现了基于VC++的文件读写操作，方便读者理解VC++中文件读写的原理-The routine based VC++ file read and write operation to facilitate the reader understand the principle of the the VC++ file read and write