/*
FUNCTION
<<iswupper>>---upper-case wide-character test
INDEX
iswupper
ANSI_SYNOPSIS
#include <wctype.h>
int iswupper(wint_t <[c]>);
TRAD_SYNOPSIS
#include <wctype.h>
int iswupper(<[c]>)
wint_t <[c]>;
DESCRIPTION
<<iswupper>> is a function which classifies wide-character values that
have an upper-case translation.
RETURNS
<<iswupper>> returns non-zero if <[c]> is a upper-case wide-character.
PORTABILITY
<<iswupper>> is C99.
No supporting OS subroutines are required.
*/
#include <_ansi.h>
#include <wctype.h>
int
_DEFUN(iswupper,(c),wint_t c)
{
return (towlower (c) != c);
}