3.27 iswctype—extensible wide-character test

Synopsis

     #include <wctype.h>
     int iswctype(wint_t c, wctype_t desc);
     

Description
iswctype is a function which classifies wide-character values using the wide-character test specified by desc.

Returns
iswctype returns non-zero if and only if c matches the test specified by desc. If desc is unknown, zero is returned.

Portability
iswctype is C99.

No supporting OS subroutines are required.