iswpunct(3) - Linux manual page (original) (raw)

iswpunct(3) Library Functions Manual iswpunct(3)

NAME top

   iswpunct - test for punctuation or symbolic wide character

LIBRARY top

   Standard C library (_libc_, _-lc_)

SYNOPSIS top

   **#include <wctype.h>**

   **int iswpunct(wint_t** _wc_**);**

DESCRIPTION top

   The **iswpunct**() function is the wide-character equivalent of the
   [ispunct(3)](../man3/ispunct.3.html) 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 top

   The **iswpunct**() function returns nonzero if _wc_ is a wide-character
   belonging to the wide-character class "punct".  Otherwise, it
   returns zero.

ATTRIBUTES top

   For an explanation of the terms used in this section, see
   [attributes(7)](../man7/attributes.7.html).
   ┌───────────────────────────────┬───────────────┬────────────────┐
   │ **Interface** │ **Attribute** │ **Value** │
   ├───────────────────────────────┼───────────────┼────────────────┤
   │ **iswpunct**()                    │ Thread safety │ MT-Safe locale │
   └───────────────────────────────┴───────────────┴────────────────┘

STANDARDS top

   C11, POSIX.1-2008.

HISTORY top

   POSIX.1-2001, C99.

NOTES top

   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 top

   [ispunct(3)](../man3/ispunct.3.html), [iswctype(3)](../man3/iswctype.3.html)

COLOPHON top

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Linux man-pages 6.10 2024-07-23 iswpunct(3)

Pages that refer to this page:isalpha(3), iswctype(3)