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What is Function Call by Value in C about?

Function call by value is the default way to call functions in C where the values of actual parameters are copied to formal parameters. Any changes to formal parameters do not affect actual parameters. Function call by reference passes the addresses of actual parameters, allowing changes to formal parameters to affect actual parameters. An example demonstrates calling a function by reference to swap the values of two variables by dereferencing address pointers with *var within the function.

Author

Vasuki

Language

EN