@interface CLLocation : NSObject
// Instance Members
- (CLLocationDistance)getDistanceFrom:(const)CLLocation* location;
- (NSString*)description;
- (id)initWithCoordinate:(CLLocationCoordinate2D)coordinate altitude: CLLocationDistance:(altitude
horizontalAccuracy:)CLLocationAccuracy hAccuracy
verticalAccuracy:(CLLocationAccuracy)vAccuracy
timestamp: NSDate*:(timestamp;)
- (id)initWithLatitude:(CLLocationDegrees)latitude longitude: CLLocationDegrees:(longitude;)
@interface CLLocationManager : NSObject
// Instance Members
- (void)startUpdatingLocation;
- (void)stopUpdatingLocation;