6 int to_utf8(const wchar_t *, char **, unsigned long *);
7 int to_utf8(const char *, char **, unsigned long *);
8 int to_utf16(const char *, wchar_t **utf16, unsigned long *);
9 int to_utf16(const wchar_t *, wchar_t **utf16, unsigned long *);
10 int from_utf8(const char *, TCHAR **, unsigned long *);
11 int from_utf16(const wchar_t *, TCHAR **, unsigned long *);