9 #define __NEED_wctrans_t
10 #define __NEED_wctype_t
12 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
13 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
14 #define __NEED_locale_t
17 #include <bits/alltypes.h>
35 int iswxdigit(wint_t);
36 int iswctype(wint_t, wctype_t);
37 wint_t towctrans(wint_t, wctrans_t);
38 wint_t towlower(wint_t);
39 wint_t towupper(wint_t);
40 wctrans_t wctrans(const char *);
41 wctype_t wctype(const char *);
44 #define iswdigit(a) (((unsigned)(a)-L'0') < 10)