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x SuSE Linux 13.1-RELEASEx
iswpunct(3) Library Functions Manual iswpunct(3)
NAME
iswpunct - test for punctuation or symbolic wide character
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <wctype.h>
int iswpunct(wint_t wc);
DESCRIPTION
The iswpunct() function is the wide-character equivalent of the is-
punct(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-charac-
ter class "punct" is disjoint from the wide-character class "cntrl".
Being a subclass of the wide-character class "graph", the wide-charac-
ter 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 be-
longing to the wide-character class "punct". Otherwise, it returns
zero.
ATTRIBUTES
For an explanation of the terms used in this section, see at-
tributes(7).
+-------------------------------------+---------------+----------------+
|Interface | Attribute | Value |
+-------------------------------------+---------------+----------------+
|iswpunct() | Thread safety | MT-Safe locale |
+-------------------------------------+---------------+----------------+
STANDARDS
C11, POSIX.1-2008.
HISTORY
POSIX.1-2001, C99.
NOTES
The behavior of iswpunct() depends on the LC_CTYPE category of the cur-
rent locale.
This function's name is a misnomer when dealing with Unicode charac-
ters, because the wide-character class "punct" contains both punctua-
tion characters and symbol (math, currency, etc.) characters.
SEE ALSO
ispunct(3), iswctype(3)
Linux man-pages 6.04 2023-03-30 iswpunct(3)
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