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3.24 iswpunct, iswpunct_l—punctuation wide character test

Synopsis 

     #include <wctype.h>
     int iswpunct(wint_t c);
     
     #include <wctype.h>
     int iswpunct_l(wint_t c, locale_t locale);

Description
iswpunct is a function which classifies wide-character values that are punctuation.

iswpunct_l is like iswpunct but performs the check based on the locale specified by the locale object locale. If locale is LC_GLOBAL_LOCALE or not a valid locale object, the behaviour is undefined.
Returns
iswpunct, iswpunct_l return non-zero if c is a punctuation wide character.
Portability
iswpunct is C99. iswpunct_l is POSIX-1.2008.

No supporting OS subroutines are required.