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Linux 2.6 - man page for iswspace (linux section 3)

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 isspace(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 con-
       trol 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.

CONFORMING TO
       C99.

NOTES
       The behavior of iswspace() depends on the LC_CTYPE category of the current locale.

SEE ALSO
       isspace(3), iswctype(3)

COLOPHON
       This page is part of release 3.55 of the Linux man-pages project.  A  description  of  the
       project,     and    information	  about    reporting	bugs,	 can	be    found    at
       http://www.kernel.org/doc/man-pages/.

GNU					    1999-07-25				      ISWSPACE(3)


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