int main(int argc, char **argv)
{
  fun_desc arr[] = {{"num_of_chars", num_of_chars}, {"num_of_spaces", num_of_spaces}};

  printf("Please choose a function:\n");
  printf("%s %s %s", "1. ", arr[0].name,  ".\n");
  printf("%s %s %s", "2. ", arr[1].name, ".\n");

  char i;
  scanf("%c", &i);

  getchar();

  while((i != '1') && (i != '2'))
  {
    scanf("%c", i);
  }

  getchar();

  printf("Please insert a string\n");
  char str[100];

  scanf("%s", str);

  printf("%s", str);




  return 0;
}