在unix上使用c语言开发，实现模拟数据库读写互斥，包括载入数据库，打印数据库表，读写以及清除，内含详细的说明文档以及makefile。-In unix using c language development, reading and writing are mutually exclusive for analog databases, including the inclusion in the database, print database tables, reading and writing, and clear, containing detailed documentation and makefile.