int pop() {
  int data;
  node *previous = NULL;
  node *current = linkedList;

  if (linkedList == NULL)
    return 0;

  if (current->next)
    printf("true\n");
  else
    printf("false\n");

  printf("FOTZE\n");
  if (current->next)
  while (current->next) {
    printf("lol\n");
    previous = current;
    current = current->next;
  }

  printf("PENIS");

  previous->next = NULL;
  data = current->data;
  free(current);

  return data;
}