mysqlnd_mbcharlen_euckr 463 mysqlnd/mysqlnd_charset.c { 19, "euckr", "euckr_korean_ci", 1, 2, "", mysqlnd_mbcharlen_euckr, check_mb_euckr}, mysqlnd_mbcharlen_euckr 532 mysqlnd/mysqlnd_charset.c { 85, "euckr", "euckr_bin", 1, 2, "", mysqlnd_mbcharlen_euckr, check_mb_euckr},