#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

void print_array_of_ints(int* array_of_ints, int num_ints, char* label) {
    printf("\n%s\n", label);
    for(int i = 0; i < num_ints; i++) {
        printf("array_of_ints[%d] == %d;\n", i, array_of_ints[i]);
    }
}

int main(int argc, char* argv[]) {
    // STATIC array
    int array_static[3];
    array_static[0] = 5;
    array_static[1] = 6;
    array_static[2] = 7;
    print_array_of_ints(array_static, 3, "STATIC");

    // DYNAMIC array
    //
    // Allocate enough memory (on the heap) for three ints.
    int* array_dynamic = malloc(3 * sizeof(*array_dynamic));
    array_dynamic[0] = 5;
    array_dynamic[1] = 6;
    array_dynamic[2] = 7;
    print_array_of_ints(array_dynamic, 3, "DYNAMIC");
    free(array_dynamic);  // "Gives back" the chunk of heap memory at address array_dynamic.

    // int* array = malloc(▒);  … allocates ▒ bytes on the heap and returns the address
    //                            where they can be found and used.
    // free(array);  frees (gives back) those bytes.
    
    return EXIT_SUCCESS;
}
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