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    The following form allows you to view linux man pages.

    Command:

    iswblank

    
    
    

    SYNOPSIS

           #include <wctype.h>
    
           int iswblank(wint_t wc);
    
       Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
    
           iswblank():
                  _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE ||
                  _POSIX_C_SOURCE >= 200112L;
                  or cc -std=c99
    
    
    

    DESCRIPTION

           The  iswblank()  function  is  the  wide-character  equivalent  of  the
           isblank(3) function.  It tests whether wc is a wide character belonging
           to the wide-character class "blank".
    
           The wide-character class "blank" is a subclass  of  the  wide-character
           class "space".
    
           Being  a subclass of the wide-character class "space", the wide-charac-
           ter class "blank" 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 "blank" always contains  at  least  the  space
           character and the control character '\t'.
    
    
    

    RETURN VALUE

           The  iswblank()  function  returns  nonzero  if  wc is a wide character
           belonging to the wide-character class "blank".   Otherwise  it  returns
           zero.
    
    
    

    ATTRIBUTES

       Multithreading (see pthreads(7))
           The  iswblank()  function  is  thread-safe  with exceptions.  It can be
           safely used in multithreaded applications, as long as  setlocale(3)  is
           not called to change the locale during its execution.
    
    
    

    CONFORMING TO

           POSIX.1-2001.
    
    
    

    NOTES

           The behavior of iswblank() depends on the LC_CTYPE category of the cur-
           rent locale.
    
    
    

    SEE ALSO

           isblank(3), iswctype(3)
    
    
    

    GNU 2014-02-10 ISWBLANK(3)

    
    
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