ft_swap

Subject

Assignment name  : ft_swap
Expected files   : ft_swap.c
Allowed functions:
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Write a function that swaps the contents of two integers the adresses of which
are passed as parameters.

Your function must be declared as follows:

void	ft_swap(int *a, int *b);

Commented solution

ft_swap

ft_swap.c

void ft_swap(int *a, int *b)
{
    /* we have to declare a temporary variable
     * to make a swap between 2 variables
     */
    int x;
    
    // set our temporary variable to be equal to the value of *a
    x = *a;
    // set the value of *a to be equal to the value of *b
    *a = *b;
    // set the value of *b to be equal to the value of x
    *b = x;
}