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+/*
+ * fgcom - VoIP-Client for the FlightGear-Radio-Infrastructure
+ *
+ * This program realizes the usage of the VoIP infractructure based
+ * on flight data which is send from FlightGear with an external
+ * protocol to this application.
+ *
+ * Clement de l'Hamaide - Jan 2014
+ * Re-writting of FGCom standalone
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA  02110-1301, USA.
+ *
+ */
+
+#ifndef __FGCOM_H__
+#define __FGCOM_H__
+
+// avoid name clash with winerror.h
+#define FGC_SUCCESS(__x__)		(__x__ == 0)
+#define FGC_FAILED(__x__)		(__x__ < 0)
+
+#ifdef _MSC_VER
+#define snprintf _snprintf
+#ifdef WIN64
+typedef __int64 ssize_t;
+#else
+typedef int ssize_t;
+#endif
+#endif
+
+
+#include <map>
+#include <fstream>
+#include <iostream>
+#include <algorithm>
+#include <stdlib.h>
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+
+#ifndef FGCOM_VERSION
+#ifdef FLIGHTGEAR_VERSION
+#define FGCOM_VERSION FLIGHTGEAR_VERSION
+#else
+#define FGCOM_VERSION "unknown"
+#endif
+#endif
+
+#define MAXBUFLEN 1024
+
+enum Modes {
+    ATC,
+    PILOT,
+    OBS,
+    TEST
+};
+
+enum ActiveComm {
+    COM1,
+    COM2
+};
+
+struct Data
+{
+    int     ptt;
+    float   com1;
+    float   com2;
+    double  lon;
+    double  lat;
+    double  alt;
+    float   outputVol;
+    float   silenceThd;
+    std::string callsign;
+};
+
+struct Airport
+{
+    double      frequency;
+    double      latitude;
+    double      longitude;
+    double      distanceNm;
+    std::string icao;
+    std::string type;
+    std::string name;
+};
+
+// Internal functions
+int         usage();
+int         version();
+void        quit(int state);
+bool        isInRange(std::string icao, double acftLat, double acftLon, double acftAlt);
+std::string computePhoneNumber(double freq, std::string icao, bool atis = false);
+std::string getClosestAirportForFreq(double freq, double acftLat, double acftLon, double acftAlt);
+std::multimap<int, Airport> getAirportsData();
+
+// Library functions
+bool lib_init();
+bool lib_hangup();
+bool lib_shutdown();
+bool lib_call(std::string icao, double freq);
+bool lib_directCall(std::string icao, double freq, std::string num);
+
+int  lib_registration();
+int  iaxc_callback(iaxc_event e);
+
+void lib_setSilenceThreshold(double thd);
+void lib_setCallerId(std::string callsign);
+void lib_setVolume(double input, double output);
+
+#endif