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/*
FUNCTION
<<iswxdigit>>---hexadecimal digit wide-character test
INDEX
iswxdigit
ANSI_SYNOPSIS
#include <wctype.h>
int iswxdigit(wint_t <[c]>);
TRAD_SYNOPSIS
#include <wctype.h>
int iswxdigit(<[c]>)
wint_t <[c]>;
DESCRIPTION
<<iswxdigit>> is a function which classifies wide-character values that
are hexadecimal digits.
RETURNS
<<iswxdigit>> returns non-zero if <[c]> is a hexadecimal digit wide-character.
PORTABILITY
<<iswxdigit>> is C99.
No supporting OS subroutines are required.
*/
#include <_ansi.h>
#include <wctype.h>
int
_DEFUN(iswxdigit,(c), wint_t c)
{
return ((c >= (wint_t)'0' && c <= (wint_t)'9') ||
(c >= (wint_t)'a' && c <= (wint_t)'f') ||
(c >= (wint_t)'A' && c <= (wint_t)'F'));
}
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