parse_hex
r = parse_hex(&s, res);
parse_hex(kat, kat->test_key_hex, key, POLY1305_KEY_LEN);
parse_hex(kat, kat->test_msg_hex, msg, kat->test_msg_len);
parse_hex(kat, kat->expected_tag_hex, exptag, POLY1305_HASH_LEN);
rv = parse_hex(fp, map_idx);
return !parse_hex(str, &product[index]); /* 0 for success */
if (!parse_hex(value, &vendor))
if (!parse_hex(value, &version))