#include<stdio.h>

void call_with_15(int (*param)(int)){
	printf("%d\n", param(15));
}

int divide(int x){
	return x/2;
}

int main(){
	printf("%lx\n", divide); // Won't run divide, no ()
	int (*foo)(int) = divide;
	printf("Address stored in foo:  %lx\n", foo);
	printf("%d\n", foo(10));
	call_with_15(divide);

	return 0;
}