my_ismbchar_gb18030  686 ext/mysqlnd/mysqlnd_charset.c 	{ 248, "gb18030", "gb18030_chinese_ci", 1, 4, "", mysqlnd_mbcharlen_gb18030, my_ismbchar_gb18030},
my_ismbchar_gb18030  687 ext/mysqlnd/mysqlnd_charset.c 	{ 249, "gb18030", "gb18030_bin", 1, 4, "", mysqlnd_mbcharlen_gb18030, my_ismbchar_gb18030},