check_mb_gb2312   507 ext/mysqlnd/mysqlnd_charset.c 	{  24, "gb2312", "gb2312_chinese_ci", 1, 2, "", mysqlnd_mbcharlen_gb2312, check_mb_gb2312},
check_mb_gb2312   573 ext/mysqlnd/mysqlnd_charset.c 	{  86, "gb2312", "gb2312_bin", 1, 2, "", mysqlnd_mbcharlen_gb2312, check_mb_gb2312},