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Standard library header <cwctype>

From cppreference.com
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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.

Contents

[edit] 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

[edit] Macros

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

[edit] Functions

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