# define tsprintf swprintf
# define tfprintf fwprintf
# define tvfprintf vfwprintf
+# define tscanf swscanf
# define istalpha(c) iswalpha((wchar_t)(c))
# define istspace(c) iswspace((wchar_t)(c))
# define totlower(c) towlower((wchar_t)(c))
# define tsprintf sprintf
# define tfprintf fprintf
# define tvfprintf vfprintf
+# define tscanf sscanf
# define istalpha(c) isalpha((unsigned char)(c))
# define istspace(c) isspace((unsigned char)(c))
# define totlower(c) tolower((unsigned char)(c))