Answer / Manoj Singh Bisht

In C, a procedure is simply another name for a function. The primary difference between call by value and call by reference is that call by value creates a local copy of the passed argument, while call by reference allows the function to directly modify the original variable. Call by reference can be more efficient when dealing with large data structures or when modifying the original variable is necessary. To achieve call by reference in C, one uses pointers.

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