#if defined(_WIN32) || defined (_WIN64)
#define DLLEXP __declspec(dllexport)
#else
#define DLLEXP
#endif

#ifdef __cplusplus
extern "C" {
#endif
  DLLEXP char lightspeed_init() {
    return 0;
  }
  DLLEXP long long lightspeed() {
    return 299792458;
  }
  DLLEXP void lightspeed_deinit() {
  }
#ifdef __cplusplus
}
#endif