C | Functions | Question 7

Predict the output?

#include <stdio.h>
int main()
{
    void demo();
    void (*fun)();
    fun = demo;
    (*fun)();
    fun();
    return 0;
}

void demo()
{
    printf("GeeksQuiz ");
}

(A) GeeksQuiz
(B) GeeksQuiz GeeksQuiz
(C) Compiler Error
(D) Blank Screen


Answer: (B)

Explanation: This is a simple program with function pointers. fun is assigned to point to demo. So the two statements “(*fun)();” and “fun();” mean the same thing.

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