text: extern std::string strTrustedNTP;
  extern int64 nNtpOffset;
  extern bool fNtpWarning;
  
  /* Get time from a random server and return its IP address */
  int64 NtpGetTime(CNetAddr &ip);
  
  /* Get time from the trusted server */
  int64 NtpGetTime(const std::string &strHostName);
  
  /* NTP polling thread */
  void ThreadNtpPoller(void *parg);
  