guess(p1)
public
Returns guessed encoding of str by nkf routine.
static VALUE
rb_nkf_guess(VALUE obj, VALUE src)
{
reinit();
input_ctr = 0;
input = (unsigned char *)StringValuePtr(src);
i_len = RSTRING_LENINT(src);
guess_f = TRUE;
kanji_convert( NULL );
guess_f = FALSE;
return rb_enc_from_encoding(rb_nkf_enc_get(get_guessed_code()));
}