diff --git a/ZCppMain/ZtCStringEx.H b/ZCppMain/ZtCStringEx.H
index 98ad7aa..dea4723 100644
--- a/ZCppMain/ZtCStringEx.H
+++ b/ZCppMain/ZtCStringEx.H
@@ -307,10 +307,10 @@ namespace ZNsMain
         typedef const TTypCh* TypeCharCP  ;
         typedef const TTypCh* TypeCPChar  ;
         typedef       TTypCh* TypePChar   ;
-    /*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
+
         typedef TTypeString   ZCTypeString;
         typedef ZtCStringBase ZCStringBase;
-    /*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
+
         typedef ZtCStringBase TypeThis    ;
     /*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
         typedef typename ZCTypeString::ZCSearchInfo     ZCSearchInfo     ;
@@ -320,21 +320,22 @@ namespace ZNsMain
         typedef typename ZCTypeString::TypeLong         TypeLong         ;
         typedef typename ZCTypeString::TypeLong         TypeSize         ;
         typedef typename ZCTypeString::TypeLong         TypeLength       ;
-    public:
-        typedef typename ZCTypeChars ::ZCChars    ZCChars    ;
-        typedef typename ZCTypeChars ::ZCChars    ZCCharView ; // for string_view in C++17
-    public:
-        typedef const    ZCChars                  ZCCharsC   ;
-        typedef const    ZCChars                  ZCCharViewC;
-    public:
-        typedef TypeChar      TypeData  ;
-        typedef ZCStringList  TypeList  ;
-    public:
-        typedef ZNsMain::ZtCCharType<ZtCStringBase> ZCCharType ;
-        typedef typename ZCCharType::TypeInt        TypeCharInt;
     /*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
-        typedef ZNsMain::ZtCCharType<ZtCStringBase> traits_type; // for strl string/wstring
-        typedef TypeSize                            size_type  ; // for strl string/wstring
+        typedef typename ZCTypeChars ::ZCChars  ZCChars    ;
+        typedef typename ZCTypeChars ::ZCChars  ZCCharView ; // for string_view in C++17
+
+        typedef const ZCChars ZCCharsC    ;
+        typedef const ZCChars ZCCharViewC ;
+
+        typedef TypeChar      TypeData    ;
+        typedef ZCStringList  TypeList    ;
+
+    /*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
+        typedef ZtCCharType<ZtCStringBase>    ZCCharType ;
+        typedef typename ZCCharType::TypeInt  TypeCharInt;
+
+        typedef ZtCCharType<ZtCStringBase>    traits_type; // for strl string/wstring
+        typedef TypeSize                      size_type  ; // for strl string/wstring
     /*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
 
         enum EWriteFile // WriteFile() 에서 사용한다.