#include<stdio.h>
#include<string.h>

int square(int x){
	return x*x;
}

void main(){
	char A[128];
	memcpy(A, square, 128);
	printf("We finished: %s\n", A);
	int (*foo)(int) = A;
	printf("foo(4) = %d\n", foo(4));

}