208                                            std::string *output) {  in sendCommand()  argument
247     if (!drainAndWaitForAck(*process, command, output)) {  in sendCommand()
274                                                    std::string *output) {  in drainAndWaitForAck()  argument
310                         output->append(buffer, size);  in drainAndWaitForAck()
311                         size_t pos = output->find(PING);  in drainAndWaitForAck()
313                             if (output->size() > pos + PING_SIZE) {  in drainAndWaitForAck()
314                                 size_t extra = output->size() - (pos + PING_SIZE);  in drainAndWaitForAck()
316                                       extra, output->substr(pos + PING_SIZE, 128).c_str());  in drainAndWaitForAck()
318                             output->resize(pos);  in drainAndWaitForAck()
349                                        std::string *output) {  in execute()  argument
353     if (output == nullptr) {  in execute()
354         output = &buffer;  in execute()
356         output->clear();  in execute()
361         res |= sendCommand(IPTABLES_PROCESS, command, output);  in execute()
364         res |= sendCommand(IP6TABLES_PROCESS, command, output);  in execute()