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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

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     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)