/* Map the wide character WC using the mapping described by DESC. */
extern wint_t __towctrans __P ((wint_t __wc, wctrans_t __desc));
-#if __GNUC__ >= 2 && defined __OPTIMIZE__
-/* The tables are always organized in a way which allows direct access
- for single byte characters. */
-extern __const __int32_t *__ctype_tolower; /* Case conversions. */
-extern __const __int32_t *__ctype_toupper; /* Case conversions. */
-
-# define towlower(wc) \
- (__builtin_constant_p (wc) && (wc) >= L'\0' && (wc) <= L'\xff' \
- ? (wint_t) __ctype_tolower[wc] : towlower (wc))
-# define towupper(wc) \
- (__builtin_constant_p (wc) && (wc) >= L'\0' && (wc) <= L'\xff' \
- ? (wint_t) __ctype_toupper[wc] : towupper (wc))
-
-#endif /* gcc && optimizing */
-
__END_DECLS
#endif /* need iswxxx. */