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wchar.h(3head)

wchar.h(3HEAD)                      Headers                     wchar.h(3HEAD)

NAME
       wchar.h, wchar - wide-character handling

SYNOPSIS
       #include <wchar.h>

DESCRIPTION
       The <wchar.h> header defines the following types:

       wchar_t      As described in stddef.h(3HEAD).


       wint_t       An  integer  type  capable  of  storing any valid value of
                    wchar_t or WEOF.


       wctype_t     A scalar type of a data object that can hold values  which
                    represent locale-specific character classification.


       mbstate_t    An  object type other than an array type that can hold the
                    conversion state information necessary to convert  between
                    sequences  of  (possibly  multibyte)  characters  and wide
                    characters. If a codeset is being used such  that  an  mb‐
                    state_t needs to preserve more than two levels of reserved
                    state, the results are unspecified.


       FILE         As described in stdio.h(3HEAD).


       size_t       As described in stddef.h(3HEAD).


       va_list      As described in stdarg(3EXT).


       locale_t     As described in locale.h(3HEAD).



       The  implementation  supports  one  or more programming environments in
       which the width of wint_t is no greater than the width  of  type  long.
       The  names  of these programming environments can be obtained using the
       confstr(3C) function or the getconf(1) utility.


       The <wchar.h> header defines the following macros:

       WCHAR_MAX    The maximum value  representable  by  an  object  of  type
                    wchar_t.


       WCHAR_MIN    The  minimum  value  representable  by  an  object of type
                    wchar_t.


       WEOF         Constant expression of type wint_t  that  is  returned  by
                    several WP functions to indicate end-of-file.


       NULL         As described in stddef.h(3HEAD).



       The tag tm is declared as naming an incomplete structure type, the con‐
       tents of which are described in the header time.h(3HEAD).


       Inclusion of the <wchar.h> header can make visible all symbols from the
       headers   <ctype.h>,  <string.h>,  <stdarg.h>,  <stddef.h>,  <stdio.h>,
       <stdlib.h>, and <time.h>.

ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE  TYPEAT‐
       TRIBUTE  VALUE  _  Interface  StabilityCommitted  _  StandardSee  stan‐
       dards(7).


SEE ALSO
       getconf(1), btowc(3C), confstr(3C), fgetwc(3C), fputwc(3C), fputws(3C),
       fwide(3C),   fwprintf(3C),   fwscanf(3C),   getwc(3C),    getwchar(3C),
       getws(3C),   iswalpha(3C),   iswctype(3C),   mbrlen(3C),   mbrtowc(3C),
       mbsinit(3C), mbsrtowcs(3C),  towlower(3C),  towupper(3C),  ungetwc(3C),
       vfwprintf(3C),  wcrtomb(3C),  wcscoll(3C), wcsftime(3C), wcsrtombs(3C),
       wcsstr(3C),   wcstod(3C),   wcstol(3C),   wcstoul(3C),    wcstring(3C),
       wcswidth(3C),    wcsxfrm(3C),   wctob(3C),   wctype(3C),   wcwidth(3C),
       wmemchr(3C),  wmemcmp(3C),  wmemcpy(3C),   wmemmove(3C),   wmemset(3C),
       stdarg(3EXT),    locale.h(3HEAD),    stddef.h(3HEAD),   stdio.h(3HEAD),
       stdlib.h(3HEAD),   string.h(3HEAD),   time.h(3HEAD),    uchar.h(3HEAD),
       wctype.h(3HEAD), attributes(7), standards(7)

Oracle Solaris 11.4               30 Aug 2024                   wchar.h(3HEAD)
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