Passing Pointers to Functions
Learn to use pointers to functions, and also learn how pointers can be used to pass arguments to a function by reference and how that lets us alter variables outside the function's scope.
We'll cover the following...
Pointers to functions
One of the handy things you can do in C, is to use a pointer to point to a function. Then you can pass this function pointer to other functions as an argument, you can store it in a struct, etc. Here is a small example:
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