+int format_double_null(TCHAR *, unsigned long, TCHAR **, unsigned long *);\r
+int unformat_double_null(TCHAR *, unsigned long, TCHAR **, unsigned long *);\r
+int copy_double_null(TCHAR *, unsigned long, TCHAR **);\r
+int append_to_double_null(TCHAR *, unsigned long, TCHAR **, unsigned long *, TCHAR *, size_t, bool);\r
+int remove_from_double_null(TCHAR *, unsigned long, TCHAR **, unsigned long *, TCHAR *, size_t, bool);\r