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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>.
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
mbstate_t needs to preserve more than two levels of
reserved state, the results are unspecified.
FILE As described in <stdio.h>.
size_t As described in <stddef.h>.
va_list As described in <stdarg.h>.
locale_t As described in <locale.h>.
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>.
The tag tm is declared as naming an incomplete structure type, the con‐
tents of which are described in the header <time.h>.
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), wmem‐
chr(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), wctype.h(3HEAD),
attributes(7), standards(7)
Oracle Solaris 11.4 11 May 2021 wchar.h(3HEAD)