#include <sys/time.h>
+/* für SetDrawtoField */
+#define DRAW_DIRECT 0
+#define DRAW_BUFFERED 1
+#define DRAW_BACKBUFFER 2
+
/* für DrawElementShifted */
#define CUT_NO_CUTTING 0
#define CUT_ABOVE 1
#define AYS_STAY_CLOSED 16
#define AYS_STAY_OPEN 32
+void SetDrawtoField(int);
void BackToFront();
void FadeToFront();
void ClearWindow();