how to make a empty function

Question

hw need to make empty function on main(), but do not know how to make it.. plz help me

Answer 1

#include <iostream>
using namespace std;

void empty(void) {
}

int main() {
empty();
return 0;
}

Answer 2

No use, but maybe he needed a function template or something like that.

Answer 3

what is the use of empty function?