POS_LENGTH
len = h->response[POS_LENGTH] << 8 | h->response[POS_LENGTH+1];
h->resp_len = h->response[POS_LENGTH] << 8 |
h->response[POS_LENGTH+1];
h->request[POS_LENGTH] = (unsigned char)(h->req_len >> 8);
h->request[POS_LENGTH+1] = (unsigned char)h->req_len;