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A C/C++ Function Call Puzzle

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  • Difficulty Level : Easy
  • Last Updated : 06 Jul, 2021

Consider the following program. Predict the output of it when compiled with C and C++ compilers.


void func()
    /* definition */
int main()

The above program compiles fine in C, but doesn’t compile in C++.

In C++, func() is equivalent to func(void) 
In C, func() is equivalent to func(…)

Refer this for details and this for more programs that compile in C, but not in C++.

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