no_connection2    511 ext/nkf/nkf-utf8/nkf.c     no_connection2(c2,c1,0);
no_connection2    514 ext/nkf/nkf-utf8/nkf.c static nkf_char (*iconv)(nkf_char c2,nkf_char c1,nkf_char c0) = no_connection2;