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              header

              <cwctype> (wctype.h)

              Wide character type
              This header declares a set of functions to classify and transform individual wide characters.

              For more info on how the standard ASCII character set is classified using the "C" locale, see <cctype>.

              Functions

              Character classification functions

              They check whether the character passed as parameter belongs to a certain category:


              Character conversion functions

              Two functions that convert between letter cases:

              Extensible classification/conversion functions


              Types


              Constants

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