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@ -471,7 +471,7 @@ Here comes the nice thing: **we can nest function calls**. For example we can wr
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Notice that the `main` function we always have in our programs is also a function definition. The definition of this function is required for runnable programs, its name has to be `main` and it has to return `int` (an error code where 0 means no error). It can also take parameters but more on that later.
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These is the most basic knowledge to have about C functions. Let's see one more example with some pecularities that aren't so important now, but will be later.
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This is the most basic knowledge to have about C functions. Let's see one more example with some pecularities that aren't so important now, but will be later.
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```
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#include <stdio.h>
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