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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) func-
       tion.  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 non-zero 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 3.22 of the Linux man-pages project.  A description of
       the project, and information about reporting bugs, can be found at  http://www.ker-
       nel.org/doc/man-pages/.



GNU                               1999-07-25                       ISWPUNCT(3)

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