func: void NetworkUtils::onNetdMessage(NetdCommand* aCommand) char * data = ( char * ) aCommand -> mData ; char * result = strtok ( data , NETD_MESSAGE_DELIMIT ) ; if ( ! result )  uint32_t code = atoi ( result ) ; char * reason = strtok ( nullptr , "\0" ) ; if ( isBroadcastMessage ( code ) )  if ( code == NETD_COMMAND_INTERFACE_CHANGE )  if ( gWifiTetheringParms )  char linkdownReason [ MAX_COMMAND_SIZE ] ; snprintf ( linkdownReason , MAX_COMMAND_SIZE - 1 , "Iface linkstate %s down" , NS_ConvertUTF16toUTF8 ( gWifiTetheringParms -> mIfname ) . get ( ) ); if ( ! strcmp ( reason , linkdownReason ) )  