/*
* @implemented
*/
-wchar_t towlower(wchar_t c)
+wint_t towlower(wint_t c)
{
if (iswctype (c, _UPPER))
return (c - upalpha);
/*
* @implemented
*/
-wchar_t towupper(wchar_t c)
+wint_t towupper(wint_t c)
{
if (iswctype (c, _LOWER))
return (c + upalpha);