#ifndef LAP_COUNTER_H_
#define LAP_COUNTER_H_
-int lap_counter_init();
-int lap_counter_set_user_name(const char *user_name);
-int lap_counter_shutdown();
+void lap_counter_init();
+void lap_counter_set_user_name(const char *user_name);
+void lap_counter_get_lap_time();
+void lap_counter_shutdown();
#endif //LAP_COUNTER_H_