/* Returns: the index of the first bit set which is lower than @nth_bit, or -1 if no lower bits are set  */
gint() g_bit_nth_msf(gulong mask, gint nth_bit)
/* Returns: the index of the first bit set which is lower than @nth_bit, or -1 if no lower bits are set  */
gint() g_bit_nth_msf(gulong mask, gint nth_bit)
{
  return g_bit_nth_msf_impl (mask, nth_bit);
}