nkf_iconv_utf_16 5392 ext/nkf/nkf-utf8/nkf.c 	    if (nkf_iconv_utf_16(c1, c2, 0, 0) == -2 &&
nkf_iconv_utf_16 5395 ext/nkf/nkf-utf8/nkf.c 		nkf_iconv_utf_16(c1, c2, c3, c4);