is_ibmext_in_sjis 1570 ext/nkf/nkf-utf8/nkf.c     if (!cp932inv_f && is_ibmext_in_sjis(c2)){
is_ibmext_in_sjis 1587 ext/nkf/nkf-utf8/nkf.c     if (!x0213_f && is_ibmext_in_sjis(c2)){
is_ibmext_in_sjis 2788 ext/nkf/nkf-utf8/nkf.c 	}else if (is_ibmext_in_sjis(c)){