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Standard library header <cwctype>

From cppreference.com
< cpp‎ | header
 
 
Standard library headers
Algorithms
<algorithm>
<numeric>
Strings
<cctype>
<cstring>
<cuchar> (C++11)
<cwchar>
<cwctype>
<string_view> (C++17)
<string>
Text processing
<clocale>
<codecvt> (C++11/17/26*)
<locale>
<regex> (C++11)
<text_encoding> (C++26)   
Numerics
<cfenv> (C++11)
<cmath>
<complex>
<linalg> (C++26)
<numbers> (C++20)
<random> (C++11)
<simd> (C++26)
<valarray>
Time
<chrono> (C++11)
<ctime>
C compatibility
<ccomplex> (C++11/17/20*)
<ciso646> (until C++20)
<cstdalign> (C++11/17/20*)
<cstdbool> (C++11/17/20*)
<ctgmath> (C++11/17/20*)
 

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]