What will be the output of the following C code?#include

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What will be the output of the following C code?

#include <stdio.h>
    void fun();
    int main()
    {
        void fun();
        fun();
        return 0;
    }
    void fun()
    {
        printf("Hello...");
    }

1. Depends on the compiler
2. Garbage value
3. Compilation Error
4. Hello...
5. None of these

Correct Option: D

Hello...