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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 isspace(3) func-
       tion.  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 non-zero 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 3.22 of the Linux man-pages project.  A description of
       the  project, and information about reporting bugs, can be found at http://www.ker-
       nel.org/doc/man-pages/.



GNU                               1999-07-25                       ISWSPACE(3)

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