endian_convert_if_le
endian_convert_if_le(hc->nh_key, 4, sizeof(hc->nh_key));
endian_convert_if_le(ahc->poly_key_8+i, 8, 8);
endian_convert_if_le(ahc->ip_keys, sizeof(UINT64),
endian_convert_if_le(ahc->ip_trans, sizeof(UINT32),