It is possible in C++ to use the same function name for a number of times for different intentions. Defining
multiple functions with same name is known as function overloading or function polymorphism. Polymor-
phism means one function having many forms. The overloaded function must be different in its argument list
and with different data types. The examples of overloaded functions are given below. All the functions defined
should be equivalent to their prototypes.
Explanation
In the above program, the function square() is declared as inline function. The macro SQUARE() ...
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