我们在学习嵌入式时所编写的电话本的源代码，还只是初级阶段，在Linux系统下用Eclipse编写的C语言程序的。改程序分为文件操作和数据库（MysqL）操作，代码自己拿去看吧，代码注释很详细，应该能看得懂的。-Embedded in the study when we write the source code of this phone, just the initial stage, the Linux systems written in C language with the Eclip

注释详细的操作系统源代码 对于每个函数都有比较详细的注释-Note details of the operating system source code for each function has a more detailed comment

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