wctype
if ((s->cclass = wctype(s->str)) == 0)
(void) cset_addclass(cs, wctype("rune"), true);
blank = wctype("blank");
extern wctype_t wctype(const char *);
extern wctype_t wctype(const char *);
using std::wctype;
using std::wctype;
if ((cc = wctype(cbuf)) == 0)
if ((wct = wctype(clname)) == 0) {
extern wctype_t wctype(const char *property);
wctype_t class = wctype(#y);\