The iswctype subroutine tests the wide character specified by the WC parameter to determine if it has the property specified by the Property parameter. The iswctype subroutine is defined for the wide-character null value and for values in the character range of the current code set, defined in the current locale.
Parameters WC Specifies the wide character to be tested.
Property Specifies the property for which to test. If the WC parameter has the property specified by the Property parameter, the iswctype subroutine returns a nonzero value. If the value specified by the WC parameter does not have the property specified by the Property parameter, the iswctype subroutine returns a value of zero. If the value specified by the WC parameter is not in the subroutine's domain, the result is undefined. The iswalnum subroutine, iswalpha subroutine, iswcntrl subroutine, iswdigit subroutine, iswgraph subroutine, iswlower subroutine, iswprint subroutine, iswpunct subroutine, iswspace subroutine, iswupper subroutine, iswxdigit subroutine, setlocale subroutine, towlower subroutine, towupper subroutine, wctype subroutine.