p = (punycode_uint *) stringprep_utf8_to_ucs4(CCS utf8, -1, &ucs4_len);
p_len = ucs4_len*4; /* this multiplier is pure guesswork */
p = (punycode_uint *) stringprep_utf8_to_ucs4(CCS utf8, -1, &ucs4_len);
p_len = ucs4_len*4; /* this multiplier is pure guesswork */