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ISWSPACE(3)		   Linux Programmer's Manual		   ISWSPACE(3)

NAME
       iswspace - test for whitespace wide character

SYNOPSIS
       #include <wctype.h>

       int iswspace(wint_t wc);

DESCRIPTION
       The  iswspace()	function  is the wide-character equivalent of the iss‐
       pace(3) function.  It tests whether wc is a wide character belonging to
       the wide-character class "space".

       The  wide-character  class  "space" is disjoint from the wide-character
       class "graph" and therefore also disjoint from its subclasses  "alnum",
       "alpha", "upper", "lower", "digit", "xdigit", "punct".

       The  wide-character  class  "space"  contains  the wide-character class
       "blank".

       The wide-character class "space" always contains	 at  least  the	 space
       character and the control characters '\f', '\n', '\r', '\t', '\v'.

RETURN VALUE
       The  iswspace()	function  returns  nonzero  if	wc is a wide character
       belonging to the wide-character class "space".  Otherwise,  it  returns
       zero.

ATTRIBUTES
       For   an	  explanation	of   the  terms	 used  in  this	 section,  see
       attributes(7).

       ┌───────────┬───────────────┬────────────────┐
       │Interface  │ Attribute	   │ Value	    │
       ├───────────┼───────────────┼────────────────┤
       │iswspace() │ Thread safety │ MT-Safe locale │
       └───────────┴───────────────┴────────────────┘
CONFORMING TO
       POSIX.1-2001, POSIX.1-2008, C99.

NOTES
       The behavior of iswspace() depends on the LC_CTYPE category of the cur‐
       rent locale.

SEE ALSO
       isspace(3), iswctype(3)

COLOPHON
       This  page  is  part of release 4.14 of the Linux man-pages project.  A
       description of the project, information about reporting bugs,  and  the
       latest	  version     of     this    page,    can    be	   found    at
       https://www.kernel.org/doc/man-pages/.

GNU				  2015-08-08			   ISWSPACE(3)
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