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ISWXDIGIT(3)		   Linux Programmer's Manual		  ISWXDIGIT(3)

NAME
       iswxdigit - test for hexadecimal digit wide character

SYNOPSIS
       #include <wctype.h>

       int iswxdigit(wint_t wc);

DESCRIPTION
       The  iswxdigit()	 function  is  the  wide-character  equivalent	of the
       isxdigit() function. It tests whether wc is a wide character  belonging
       to the wide character class "xdigit".

       The  wide  character class "xdigit" is a subclass of the wide character
       class "alnum", and therefore also a  subclass  of  the  wide  character
       class "graph" and of the wide character class "print".

       Being  a subclass of the wide character class "print", the wide charac‐
       ter class "xdigit" is disjoint from the wide character class "cntrl".

       Being a subclass of the wide character class "graph", the wide  charac‐
       ter  class  "xdigit"  is disjoint from the wide character class "space"
       and its subclass "blank".

       Being a subclass of the wide character class "alnum", the wide  charac‐
       ter class "xdigit" is disjoint from the wide character class "punct".

       The  wide character class "xdigit" always contains at least the letters
       'A' to 'F', 'a' to 'f' and the digits '0' to '9'.

RETURN VALUE
       The iswxdigit() function returns non-zero if wc	is  a  wide  character
       belonging  to  the  wide character class "xdigit". Otherwise it returns
       zero.

CONFORMING TO
       C99.

SEE ALSO
       iswctype(3), isxdigit(3)

NOTES
       The behaviour of iswxdigit() depends on the LC_CTYPE  category  of  the
       current locale.

GNU				  1999-07-25			  ISWXDIGIT(3)
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