std::iswctype - cppreference.com (original) (raw)

Classifies the wide character wc using the current C locale's LC_CTYPE category identified by desc.

If the value of wc is neither representable as a wchar_t nor equal to the value of the macro WEOF, the behavior is undefined.

[edit] Parameters

wc - the wide character to classify
desc - the LC_CTYPE category, obtained from a call to std::wctype

[edit] Return value

Non-zero if the character wc has the property identified by desc in LC_CTYPE facet of the current C locale, zero otherwise.

[edit] Example

Output:

The character 水 is... digit? false alpha? true space? false cntrl? false jkanji? true

[edit] See also