nkf_buf_at       4749 ext/nkf/nkf-utf8/nkf.c 		if (array[len] != nkf_buf_at(buf, len)) {
nkf_buf_at       4750 ext/nkf/nkf-utf8/nkf.c 		    if (array[len] < nkf_buf_at(buf, len)) lower = mid + 1;