iswctype
int iswctype(wint_t, wctype_t);
PROTO_STD_DEPRECATED(iswctype);
TESTFUNC(iswctype, int, "U+%.4X, %p", "%d", 0)
TEST_R(iswctype, 1, 0x00D0, wctyg); /* Eth */
TEST_R(iswctype, 1, 0x0393, wctyg); /* Gamma */
TEST_R(iswctype, 0, 0x2205, wctyg); /* empty set */