int iswprint (wint_t wc);
int iswspace (wint_t wc);
int iswalnum (wint_t wc);
wint_t towupper (wint_t wc);
wint_t towlower (wint_t wc);
int wcwidth (wchar_t wc);
int iswprint (wint_t wc);
int iswspace (wint_t wc);
int iswalnum (wint_t wc);
wint_t towupper (wint_t wc);
wint_t towlower (wint_t wc);
int wcwidth (wchar_t wc);