-bool fgAPTerrainFollowEnabled( void );
-bool fgAPAltitudeEnabled( void );
-bool fgAPHeadingEnabled( void );
-bool fgAPWayPointEnabled( void );
-bool fgAPAutoThrottleEnabled( void );
-
-void fgAPAltitudeAdjust( double inc );
-void fgAPHeadingAdjust( double inc );
-void fgAPAutoThrottleAdjust( double inc );
-
-void fgAPHeadingSet( double value );
-
-double fgAPget_TargetLatitude( void );
-double fgAPget_TargetLongitude( void );
-double fgAPget_TargetHeading( void );
-double fgAPget_TargetDistance( void );
-double fgAPget_TargetAltitude( void );
-
-char *fgAPget_TargetLatitudeStr( void );
-char *fgAPget_TargetLongitudeStr( void );
-char *fgAPget_TargetDistanceStr( void );
-char *fgAPget_TargetHeadingStr( void );
-char *fgAPget_TargetAltitudeStr( void );
-char *fgAPget_TargetLatLonStr( void );
-
-//void fgAPset_tgt_airport_id( const string );
-//string fgAPget_tgt_airport_id( void );
-
-void fgAPReset(void);
-
-int geo_inverse_wgs_84( double alt,
- double lat1, double lon1,
- double lat2, double lon2,
- double *az1, double *az2,
- double *s );
-
-int geo_direct_wgs_84( double alt,
- double lat1, double lon1,
- double az1, double s,
- double *lat2, double *lon2,
- double *az2 );
-
-class puObject;
-void fgAPAdjust( puObject * );
-
-#endif // _AUTOPILOT_HXX