Web Reference: Passing by reference literally just means passing the memory address of where a variable is stored rather than the variable's value itself. That is what C allows, and it is pass-by-reference every time you pass a pointer, because a pointer is a reference to a variables memory location. Oct 19, 2023 · Passing by reference is a technique for passing parameters to a function. It is also known as call by reference, call by pointers, and pass by pointers. In this article, we will discuss this technique and how to implement it in our C program. Pass-by-reference allows a function to change the original variable passed to it as arguments. Use the indirection operator (*) and address operator (&) to pass arguments to a function by references.
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