UTF16_TO_UTF32   2196 ext/nkf/nkf-utf8/nkf.c 		wc = UTF16_TO_UTF32(c1 << 8 | c2, c3 << 8 | c4);
UTF16_TO_UTF32   2204 ext/nkf/nkf-utf8/nkf.c 		wc = UTF16_TO_UTF32(c2 << 8 | c1, c4 << 8 | c3);