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ISWPUNCT(3) Linux Programmer's Manual ISWPUNCT(3)
NAME
iswpunct - test for punctuation or symbolic wide character
SYNOPSIS
#include <wctype.h>
int iswpunct(wint_t wc);
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.
CONFORMING TO
C99.
NOTES
The behavior of iswpunct() depends on the LC_CTYPE category of the current locale.
This function'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)
COLOPHON
This page is part of release 3.53 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/.
GNU 1999-07-25 ISWPUNCT(3)
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