Call By Value & Call By Reference in C | Pointers Programming in C | C Language Tutorial

In this video we are going to learn introduction to functions and the need to define a user-defined function
• Call by value copies the value of an argument into the formal parameter of that function.
• Call by reference copies the address of an argument into the formal parameter.
• In call by value, a copy of the variable is passed whereas, in call by reference method, a variable itself is passed.

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