NAME¶

std::wctype - std::wctype

Synopsis¶

Defined in header <cwctype>
std::wctype_t wctype( const char* str );

Constructs a value of type std::wctype_t that describes a LC_CTYPE category of wide
character classification. It may be one of the standard classification categories,
or a locale-specific category, such as "jkanji".

Parameters¶

str - C string holding the name of the desired category

The following values of str are supported in all C locales:

value of str effect
"alnum" identifies the category used by std::iswalnum
"alpha" identifies the category used by std::iswalpha
"blank" identifies the category used by std::iswblank (C++11)
"cntrl" identifies the category used by std::iswcntrl
"digit" identifies the category used by std::iswdigit
"graph" identifies the category used by std::iswgraph
"lower" identifies the category used by std::iswlower
"print" identifies the category used by std::iswprint
"space" identifies the category used by std::iswspace
"upper" identifies the category used by std::iswupper
"xdigit" identifies the category used by std::iswxdigit

Return value¶

std::wctype_t object suitable for use with std::iswctype to classify wide characters
according to the named category of the current C locale or zero if str does not name
a category supported by the current C locale.

See also¶

iswctype classifies a wide character according to the specified LC_CTYPE category
(function)
C documentation for
wctype