C 中的代码中间包含什么? [英] What does the include in the middle of code in C?

问题描述

Please, could you tell me what does the code below do?

...code...
#include file.h
...code...

I was used to put includes a the beggining of each file. I have never seen this before and also wasn't able to find anything in the internet.

解决方案

#include is a pre-processor directive that takes the file given as the argument and dumps its contents in the current file. Typically, this is used to include definitions of commons functions from header files, but there's no necessity to use it in that way.

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