iswpunct man page on CentOS

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

CONFORMING TO
       C99.

SEE ALSO
       ispunct(3), iswctype(3)

NOTES
       The behaviour of iswpunct() depends on the  LC_CTYPE  category  of  the
       current 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.

GNU				  1999-07-25			   ISWPUNCT(3)
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