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wctype

From cppreference.com
< c‎ | string‎ | wide
Defined in header <wctype.h>
wctype_t wctype( const char* str );

Constructs a value of type 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".

[edit] 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 iswalnum
"alpha" identifies the category used by iswalpha
"blank" identifies the category used by iswblank (C99)
"cntrl" identifies the category used by iswcntrl
"digit" identifies the category used by iswdigit
"graph" identifies the category used by iswgraph
"lower" identifies the category used by iswlower
"print" identifies the category used by iswprint
"space" identifies the category used by iswspace
"upper" identifies the category used by iswupper
"xdigit" identifies the category used by iswxdigit

[edit] Return value

wctype_t object suitable for use with 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.

[edit] See also

classifies a wide character according to the specified LC_CTYPE category
(function) [edit]