Standard library header - cppreference.com (original) (raw)
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
| | a non-character value of type wint_t used to indicate errors (macro constant) | | --------------------------------------------------------------------------------- |
[edit] Functions
| Character classification | |
|---|---|
| iswalnum | checks if a wide character is alphanumeric (function) [edit] |
| iswalpha | checks if a wide character is alphabetic (function) [edit] |
| iswlower | checks if a wide character is lowercase (function) [edit] |
| iswupper | checks if a wide character is an uppercase character (function) [edit] |
| iswdigit | checks if a wide character is a digit (function) [edit] |
| iswxdigit | checks if a wide character is a hexadecimal character (function) [edit] |
| iswcntrl | checks if a wide character is a control character (function) [edit] |
| iswgraph | checks if a wide character is a graphical character (function) [edit] |
| iswspace | checks if a wide character is a space character (function) [edit] |
| iswblank(C++11) | checks if a wide character is a blank character (function) [edit] |
| iswprint | checks if a wide character is a printing character (function) [edit] |
| iswpunct | checks if a wide character is a punctuation character (function) [edit] |
| iswctype | classifies a wide character according to the specified LC_CTYPE category (function) [edit] |
| wctype | looks up a character classification category in the current C locale (function) [edit] |
| Character manipulation | |
| towlower | converts a wide character to lowercase (function) [edit] |
| towupper | converts a wide character to uppercase (function) [edit] |
| towctrans | performs character mapping according to the specified LC_CTYPE mapping category (function) [edit] |
| wctrans | looks up a character mapping category in the current C locale (function) [edit] |