iswxdigit

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
       ISO/ANSI C, UNIX98

SEE ALSO
       isxdigit(3), iswctype(3)

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



GNU				  1999-07-25			 ISWXDIGIT(3)