Standard library header <cwctype>

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This header was originally in the C standard library as <wctype.h>.

This header is part of the C-style null-terminated wide strings library.

Types

wctrans_t scalar type that holds locale-specific character mapping
wctype_t scalar type that holds locale-specific character classification
wint_t integer type that can hold any valid wide character and at least one more value

Macros

WEOF
a non-character value of type wint_t used to indicate errors
(macro constant)

Functions

Character classification
checks if a wide character is alphanumeric
(function)
checks if a wide character is alphabetic
(function)
checks if a wide character is lowercase
(function)
checks if a wide character is an uppercase character
(function)
checks if a wide character is a digit
(function)
checks if a character is a hexadecimal character
(function)
checks if a wide character is a control character
(function)
checks if a wide character is a graphical character
(function)
checks if a wide character is a space character
(function)
(C++11)
checks if a wide character is a blank character
(function)
checks if a wide character is a printing character
(function)
checks if a wide character is a punctuation character
(function)
classifies a wide character according to the specified LC_CTYPE category
(function)
looks up a character classification category in the current C locale
(function)
Character manipulation
converts a wide character to lowercase
(function)
converts a wide character to uppercase
(function)
performs character mapping according to the specified LC_CTYPE mapping category
(function)
looks up a character mapping category in the current C locale
(function)