问题描述
我学习C和我注意到，我找不到一些头文件，如执行文件，例如， stdio.h中这是包含一个库大量的输入/输出功能，如的printf 。我在哪里可以找到它的实现？
I study C and I noticed that I can't find the implementation file for some header files like, for example, stdio.h which is a library which contains a lot of input/output functions, like printf. Where can I find its implementation?
推荐答案
下载其中的一个：
- glibc
- uclibc
- dietlibc
- BSD libc
，或者甚至更好，下载其中的几个，并比较它们的实现。当然，这些都有可能做了很多比较，不同事物的您的特定标准库的实现，但仍是如挺有意思具体的非平台的功能如sprintf的
Or, even better, download several of these and compare their implementations. Of course, these are likely doing a lot of things different compared to your particular standard library implementation, but would still be quite interesting for e.g. non-platform-specific functionality such as sprintf.
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