NAME

       iswcntrl - test for control wide character

SYNOPSIS

       #include <wctype.h>

       int iswcntrl (wint_t wc);

DESCRIPTION

       The  iswcntrl  function is the wide-character equivalent of the iscntrl function. It tests
       whether wc is a wide character belonging to the wide character class "cntrl".

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

       For an unsigned char c, iscntrl(c) implies iswcntrl(btowc(c)), but not vice versa.

RETURN VALUE

       The iswcntrl function returns non-zero if wc is a wide character  belonging  to  the  wide
       character class "cntrl". Otherwise it returns zero.

CONFORMING TO

       ISO/ANSI C, UNIX98

SEE ALSO

       iscntrl(3), iswctype(3)

NOTES

       The behaviour of iswcntrl depends on the LC_CTYPE category of the current locale.