#ifndef TICKER_H
#define TICKER_H
+BEGIN_RTS_PRIVATE
+
typedef void (*TickProc)(int);
-extern void initTicker (nat ms, TickProc handle_tick);
-extern void startTicker (void);
-extern void stopTicker (void);
-extern void exitTicker (void);
+void initTicker (nat ms, TickProc handle_tick);
+void startTicker (void);
+void stopTicker (void);
+void exitTicker (void);
+
+END_RTS_PRIVATE
#endif /* TICKER_H */