std::string IconvString(const std::string & source, const std::string & from, const std::string & to);
+int ParseInt(const std::string & str, int * val);
+int ParseUnsigned(const std::string & str, unsigned * val);
+int ParseIntInRange(const std::string & str, int min, int max, int * val);
+int ParseUnsignedInRange(const std::string & str, unsigned min,
+ unsigned max, unsigned * val);
+int ParseYesNo(const std::string & str, bool * val);
+
+bool WaitPackets(int sd);
+
//-----------------------------------------------------------------------------
template <typename varT>
int str2x(const std::string & str, varT & x)