DESCRIPTION

The iswpunct() function is the wide-character equivalent of the ispunct(3) function. It tests whether wc is a wide character belonging to the wide-character class punct.

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

The wide-character class punct is disjoint from the wide-character class alnum and therefore also disjoint from its subclasses alpha, upper, lower, digit, xdigit.

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

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

RETURN VALUE

The iswpunct() function returns nonzero if wc is a wide-character belonging to the wide-character class punct. Otherwise, it returns zero.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

CONFORMING TO

POSIX.1-2001, POSIX.1-2008, C99.

NOTES

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

This function_zsingle_quotesz_s name is a misnomer when dealing with Unicode characters, because the wide-character class punct contains both punctuation characters and symbol (math, currency, etc.) characters.

SEE ALSO

ispunct(3), iswctype(3)