#include "array.h"// Default array size (if not defined like gcc -DARRAY_SIZE=100)#ifndef ARRAY_SIZE#define ARRAY_SIZE 20#endifint main(void) {	// Create a static array	int array[ARRAY_SIZE];	// Fill it with numbers	for (size_t i = 0; i < ARRAY_SIZE; ++i) array[i] = i + 1;	// Print the contents	arrayPrintN(array, ARRAY_SIZE);	// Add an end marker in the middle and print again	array[ARRAY_SIZE / 2] = -1;	arrayPrintUntil(array, -1);	// The block ends, array goes out of scope and is automatically freed}