#if !defined ISO && !defined POSIX && !defined XPG4 && !defined XPG42
type wchar_t
type wint_t
# if !defined ISO99 && !defined ISO11 && !defined POSIX2008
type wctype_t
# endif
type mbstate_t
# if !defined ISO99 && !defined ISO11
type FILE
# else
#  define FILE __FILE
# endif
type size_t
# if defined XOPEN2K8 || defined POSIX2008
type locale_t
# endif
tag {struct tm}

function wint_t btowc (int)
function int fwprintf (FILE*, const wchar_t*, ...)
function int fwscanf (FILE*, const wchar_t*, ...)
# if !defined ISO99 && !defined ISO11 && !defined POSIX2008
function int iswalnum (wint_t)
function int iswalpha (wint_t)
function int iswcntrl (wint_t)
function int iswdigit (wint_t)
function int iswgraph (wint_t)
function int iswlower (wint_t)
function int iswprint (wint_t)
function int iswpunct (wint_t)
function int iswspace (wint_t)
function int iswupper (wint_t)
function int iswxdigit (wint_t)
function int iswctype (wint_t, wctype_t)
# endif
function wint_t fgetwc (FILE*)
function {wchar_t*} fgetws (wchar_t*, int, FILE*)
function wint_t fputwc (wchar_t, FILE*)
function int fputws (const wchar_t*, FILE*)
function int fwide (FILE*, int)
function wint_t getwc (FILE*)
function wint_t getwchar (void)
function int mbsinit (const mbstate_t*)
function size_t mbrlen (const char*, size_t, mbstate_t*)
function size_t mbrtowc (wchar_t*, const char*, size_t, mbstate_t*)
# if defined XOPEN2K8 || defined POSIX2008
function size_t mbsnrtowcs (wchar_t*, const char**, size_t, size_t, mbstate_t*)
# endif
function size_t mbsrtowcs (wchar_t*, const char**, size_t, mbstate_t*)
# if defined XOPEN2K8 || defined POSIX2008
function {FILE*} open_wmemstream (wchar_t**, size_t*)
# endif
function wint_t putwc (wchar_t, FILE*)
function wint_t putwchar (wchar_t)
function int swprintf (wchar_t*, size_t, const wchar_t*, ...)
function int swscanf (const wchar_t*, const wchar_t*, ...)
# if !defined ISO99 && !defined ISO11 && !defined POSIX2008
function wint_t towlower (wint_t)
function wint_t towupper (wint_t)
# endif
function wint_t ungetwc (wint_t, FILE*)
function int vfwprintf (FILE*, const wchar_t*, __gnuc_va_list)
# ifndef UNIX98
function int vfwscanf (FILE*, const wchar_t*, __gnuc_va_list)
# endif
function int vwprintf (const wchar_t*, __gnuc_va_list)
# ifndef UNIX98
function int vwscanf (const wchar_t*, __gnuc_va_list)
# endif
function int vswprintf (wchar_t*, size_t, const wchar_t*, __gnuc_va_list)
# ifndef UNIX98
function int vswscanf (const wchar_t*, const wchar_t*, __gnuc_va_list)
# endif
# if defined XOPEN2K8 || defined POSIX2008
function {wchar_t*} wcpcpy (wchar_t*, const wchar_t*)
function {wchar_t*} wcpncpy (wchar_t*, const wchar_t*, size_t)
# endif
function size_t wcrtomb (char*, wchar_t, mbstate_t*)
# if defined XOPEN2K8 || defined POSIX2008
function int wcscasecmp(const wchar_t*, const wchar_t*)
function int wcscasecmp_l(const wchar_t*, const wchar_t*, locale_t)
# endif
function {wchar_t*} wcscat (wchar_t*, const wchar_t*)
function {wchar_t*} wcschr (const wchar_t*, wchar_t)
function int wcscmp (const wchar_t*, const wchar_t*)
function int wcscoll (const wchar_t*, const wchar_t*)
# if defined XOPEN2K8 || defined POSIX2008
function int wcscoll_l (const wchar_t*, const wchar_t*, locale_t)
# endif
function {wchar_t*} wcscpy (wchar_t*, const wchar_t*)
function size_t wcscspn (const wchar_t*, const wchar_t*)
# if defined XOPEN2K8 || defined POSIX2008
function {wchar_t*} wcsdup (const wchar_t*)
# endif
function size_t wcsftime (wchar_t*, size_t, const wchar_t*, const struct tm*)
function size_t wcslen (const wchar_t*)
# if defined XOPEN2K8 || defined POSIX2008
function int wcsncasecmp (const wchar_t*, const wchar_t*, size_t)
function int wcsncasecmp_l (const wchar_t*, const wchar_t*, size_t, locale_t)
# endif
function {wchar_t*} wcsncat (wchar_t*, const wchar_t*, size_t)
function int wcsncmp (const wchar_t*, const wchar_t*, size_t)
function {wchar_t*} wcsncpy (wchar_t*, const wchar_t*, size_t)
# if defined XOPEN2K8 || defined POSIX2008
function size_t wcsnlen (const wchar_t*, size_t)
function size_t wcsnrtombs (char*, const wchar_t**, size_t, size_t, mbstate_t*)
# endif
function {wchar_t*} wcspbrk (const wchar_t*, const wchar_t*)
function {wchar_t*} wcsrchr (const wchar_t*, wchar_t)
function size_t wcsrtombs (char*, const wchar_t**, size_t, mbstate_t*)
function size_t wcsspn (const wchar_t*, const wchar_t*)
function {wchar_t*} wcsstr (const wchar_t*, const wchar_t*)
function double wcstod (const wchar_t*, wchar_t**)
# ifndef UNIX98
function float wcstof (const wchar_t*, wchar_t**)
function {long double} wcstold (const wchar_t*, wchar_t**)
# endif
function {wchar_t*} wcstok (wchar_t*, const wchar_t*, wchar_t**)
function {long int} wcstol (const wchar_t*, wchar_t**, int)
# ifndef UNIX98
function {long long int} wcstoll (const wchar_t*, wchar_t**, int)
# endif
function {unsigned long int} wcstoul (const wchar_t*, wchar_t**, int)
# ifndef UNIX98
function {unsigned long long int} wcstoull (const wchar_t*, wchar_t**, int)
# endif
# if defined UNIX98 || defined XOPEN2K
function {wchar_t*} wcswcs (const wchar_t*, const wchar_t*)
# endif
# if !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008
function int wcswidth (const wchar_t*, size_t)
# endif
function size_t wcsxfrm (wchar_t*, const wchar_t*, size_t)
# if defined XOPEN2K8 || defined POSIX2008
function size_t wcsxfrm_l (wchar_t*, const wchar_t*, size_t, locale_t)
# endif
function int wctob (wint_t)
# if !defined ISO99 && !defined ISO11 && !defined POSIX2008
function wctype_t wctype (const char*)
function int wcwidth (wchar_t)
# endif
function {wchar_t*} wmemchr (const wchar_t*, wchar_t, size_t)
function int wmemcmp (const wchar_t*, const wchar_t*, size_t)
function {wchar_t*} wmemcpy (wchar_t*, const wchar_t*, size_t)
function {wchar_t*} wmemmove (wchar_t*, const wchar_t*, size_t)
function {wchar_t*} wmemset (wchar_t*, wchar_t, size_t)
function int wprintf (const wchar_t*, ...)
function int wscanf (const wchar_t*, ...)

macro-int-constant WCHAR_MIN {promoted:wchar_t}
macro-int-constant WCHAR_MAX {promoted:wchar_t} >= 127
macro-constant WEOF {wint_t}
macro-constant NULL == 0

#if !defined ISO && !defined ISO99 && !defined ISO11
allow-header ctype.h
allow-header stdio.h
allow-header stdarg.h
allow-header stdlib.h
allow-header string.h
allow-header stddef.h
allow-header time.h
#endif

allow wcs[abcdefghijklmnopqrstuvwxyz]*
#if !defined ISO && !defined ISO99 && !defined ISO11
allow *_t
#endif
#endif