16 size_t wcrtomb (char *s, wchar_t wc, mbstate_t *ps);
17 size_t mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps);
18 int iswprint (wint_t wc);
19 int iswspace (wint_t wc);
20 int iswalnum (wint_t wc);
21 wint_t towupper (wint_t wc);
22 wint_t towlower (wint_t wc);
23 int wcwidth (wchar_t wc);
24 #endif /* !HAVE_WC_FUNCS */
27 void mutt_set_charset (char *charset);
28 extern int Charset_is_utf8;
29 size_t utf8rtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *_ps);
30 wchar_t replacement_char (void);