int* my_array = malloc(10 * sizeof(int));
int n_used_elements = 0; // Need to keep track of the used elements and the size
int my_array_size = 10;  // reserved size

int myArray[10];

int* myArray = malloc(10, sizeof(int));

typedef struct {
  int *array;
  size_t used;
  size_t size;
} Array;

void insertArray(Array *a, int element) {
  if (a->used == a->size) {
    a->size *= 2; // double the size when exceeding the size of the array
    a->array = (int *)realloc(a->array, a->size * sizeof(int));
  }
  a->array[a->used++] = element;
}