538   coap_pdu_t *response;  in coap_send_ack()  local
542     response = coap_pdu_init(COAP_MESSAGE_ACK, 0, request->hdr->id,   in coap_send_ack()
544     if (response) {  in coap_send_ack()
545       result = coap_send(context, local_interface, dst, response);  in coap_send_ack()
546       coap_delete_pdu(response);  in coap_send_ack()
630   coap_pdu_t *response;  in coap_send_error()  local
636   response = coap_new_error_response(request, code, opts);  in coap_send_error()
637   if (response) {  in coap_send_error()
638     result = coap_send(context, local_interface, dst, response);  in coap_send_error()
639     coap_delete_pdu(response);  in coap_send_error()
651   coap_pdu_t *response;  in coap_send_message_type()  local
655     response = coap_pdu_init(type, 0, request->hdr->id, sizeof(coap_pdu_t));   in coap_send_message_type()
656     if (response) {  in coap_send_message_type()
657       result = coap_send(context, local_interface, dst, response);  in coap_send_message_type()
658       coap_delete_pdu(response);  in coap_send_message_type()
1035   coap_pdu_t *response;  in coap_new_error_response()  local
1097   response = coap_pdu_init(type, code, request->hdr->id, size);  in coap_new_error_response()
1098   if (response) {  in coap_new_error_response()
1100     if (!coap_add_token(response, request->hdr->token_length,   in coap_new_error_response()
1103       coap_delete_pdu(response);  in coap_new_error_response()
1110       coap_add_option(response, opt_iter.type,   in coap_new_error_response()
1117       coap_add_data(response, strlen(phrase), (unsigned char *)phrase);  in coap_new_error_response()
1121   return response;  in coap_new_error_response()
1333 no_response(coap_pdu_t *request, coap_pdu_t *response) {  in no_response()  argument
1339   assert(response);  in no_response()
1347   return (COAP_RESPONSE_CLASS(response->hdr->code) > 0)  in no_response()
1348     && (((1 << (COAP_RESPONSE_CLASS(response->hdr->code) - 1)) & val) > 0);  in no_response()
1357   coap_pdu_t *response = NULL;  in handle_request()  local
1378 	response = coap_wellknown_response(context, node->pdu);  in handle_request()
1384 	response =   in handle_request()
1395 	response = coap_new_error_response(node->pdu, COAP_RESPONSE_CODE(405),   in handle_request()
1399     if (response && !no_response(node->pdu, response) && coap_send(context, &node->local_if,   in handle_request()
1400 			      &node->remote, response) == COAP_INVALID_TID) {  in handle_request()
1403     coap_delete_pdu(response);  in handle_request()
1416     response = coap_pdu_init(node->pdu->hdr->type == COAP_MESSAGE_CON   in handle_request()
1423     if (coap_add_token(response, node->pdu->hdr->token_length,  in handle_request()
1452 	node->pdu, &token, response);  in handle_request()
1454       if (!no_response(node->pdu, response)) {  in handle_request()
1455       if (observe && ((COAP_RESPONSE_CLASS(response->hdr->code) > 2)  in handle_request()
1465       if ((response->hdr->type == COAP_MESSAGE_ACK)  in handle_request()
1466 	  && (response->hdr->code == 0)) {  in handle_request()
1468 	response->hdr->token_length = 0;  in handle_request()
1469 	response->length = sizeof(coap_hdr_t);  in handle_request()
1472       if (response->hdr->type != COAP_MESSAGE_NON ||  in handle_request()
1473 	  (response->hdr->code >= 64   in handle_request()
1477 		      &node->remote, response) == COAP_INVALID_TID) {  in handle_request()
1482       coap_delete_pdu(response);  in handle_request()
1489       response = coap_wellknown_response(context, node->pdu);  in handle_request()
1490       debug("have wellknown response %p\n", (void *)response);  in handle_request()
1492       response = coap_new_error_response(node->pdu, COAP_RESPONSE_CODE(405),   in handle_request()
1495     if (!response || (coap_send(context, &node->local_if, &node->remote,  in handle_request()
1496 				response) == COAP_INVALID_TID)) {  in handle_request()
1499     coap_delete_pdu(response);  in handle_request()
1539   coap_pdu_t *response;  local
1600 	response = 
1603 	if (!response)
1606 	  if (coap_send(context, &rcvd->local_if, &rcvd->remote, response) 
1610           coap_delete_pdu(response);