Проект OpenNet: MAN iswxdigit (3) Библиотечные вызовы (FreeBSD и Linux)

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iswxdigit (3)

iswxdigit (3) ( FreeBSD man: Библиотечные вызовы )

iswxdigit (3) ( Русские man: Библиотечные вызовы )

>> iswxdigit (3) ( Linux man: Библиотечные вызовы )

iswxdigit (3) ( POSIX man: Библиотечные вызовы )

NAME

iswxdigit - test for hexadecimal digit wide character

SYNOPSIS

#include <wctype.h>

int iswxdigit(wint_t wc);

DESCRIPTION

The iswxdigit() function is the wide-character equivalent of the isxdigit(3) function. It tests whether wc is a wide character belonging to the wide-character class "xdigit".

The wide-character class "xdigit" is a subclass of the wide-character class "alnum", and therefore also a subclass of the wide-character class "graph" and of the wide-character class "print".

Being a subclass of the wide-character class "print", the wide-character class "xdigit" is disjoint from the wide-character class "cntrl".

Being a subclass of the wide-character class "graph", the wide-character class "xdigit" is disjoint from the wide-character class "space" and its subclass "blank".

Being a subclass of the wide-character class "alnum", the wide-character class "xdigit" is disjoint from the wide-character class "punct".

The wide-character class "xdigit" always contains at least the letters aqAaq to aqFaq, aqaaq to aqfaq and the digits aq0aq to aq9aq.

RETURN VALUE

The iswxdigit() function returns non-zero if wc is a wide character belonging to the wide-character class "xdigit". Otherwise it returns zero.

CONFORMING TO

C99.

NOTES

The behavior of iswxdigit() depends on the LC_CTYPE category of the current locale.

COLOPHON

This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.

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