NAME | SYNOPSIS | DESCRIPTION | ATTRIBUTES | SEE ALSO
#include <wchar.h>int iswalpha(wint_t wc);
These functions test whether wc is a wide-character code representing a character of a particular class defined in the LC_CTYPE category of the current locale.
In all cases, wc is a wint_t, the value of which must be a wide-character code corresponding to a valid character in the current locale or must equal the value of the macro WEOF. If the argument has any other values, the behavior is undefined.
Tests whether wc is a wide-character code representing a character of class "alpha" in the program's current locale.
Tests whether wc is a wide-character code representing a character of class "upper" in the program's current locale.
Tests whether wc is a wide-character code representing a character of class "lower" in the program's current locale.
Tests whether wc is a wide-character code representing a character of class "digit" in the program's current locale.
Tests whether wc is a wide-character code representing a character of class "xdigit" in the program's current locale.
Tests whether wc is a wide-character code representing a character of class "alpha" or "digit" in the program's current locale.
Tests whether wc is a wide-character code representing a character of class "space" in the program's current locale.
Tests whether wc is a wide-character code representing a character of class "punct" in the program's current locale.
Tests whether wc is a wide-character code representing a character of class "print" in the program's current locale.
Tests whether wc is a wide-character code representing a character of class "graph" in the program's current locale.
Tests whether wc is a wide-character code representing a character of class "cntrl" in the program's current locale.
Tests whether wc is a wide-character code representing an ASCII character.
Tests whether wc is a wide-character code representing a phonetic language character, excluding ASCII characters.
Tests whether wc is a wide-character code representing an ideographic language character, excluding ASCII characters.
Tests whether wc is a wide-character code representing an English language character, excluding ASCII characters.
Tests whether wc is a wide-character code representing digit [0-9], excluding ASCII characters.
Tests whether wc is a wide-character code representing a special language character, excluding ASCII characters.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
MT-Level | MT-Safe with exceptions |
CSI | Enabled |
NAME | SYNOPSIS | DESCRIPTION | ATTRIBUTES | SEE ALSO