Modern C Quick Syntax Reference by Mikael Olsson

Author:Mikael Olsson
Language: eng
Format: epub, pdf
ISBN: 9781484242889
Publisher: Apress

In contrast to C++, C does not allow function overloading or default parameter values. However, variable parameter lists can be used to implement functions that behave in similar ways.

Pass by Value

Variables are by default passed by value. This means that only a copy of the value is passed to the function. Therefore, changing the parameter in any way will not affect the original variable, and passing large variables back and forth can have a negative impact on performance.#include <stdio.h>

void set(int i) { i = 1; }

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