release_sn_array (struct sn_array_s *array, size_t size)
{
  size_t n;

  for (n=0; n < size; n++)
    xfree (array[n].sn);
  xfree (array);
}
release_sn_array (struct sn_array_s *array, size_t size)
{
  size_t n;

  for (n=0; n < size; n++)
    xfree (array[n].sn);
  xfree (array);
}