--- /dev/null
+#ifndef COORDINATE_SYSTEM_H
+#define COORDINATE_SYSTEM_H
+
+void wgs84_to_kkj2(double inLatitude, double inLongitude, double *outLatitude, double *outLongitude);
+
+void kkj2_to_wgs84(double inLatitude, double inLongitude, double *outLatitude, double *outLongitude);
+
+#endif