diff --git a/src/main/c/Pong/pong.h b/src/main/c/Pong/pong.h
index 4e6cfdd..9074535 100644
--- a/src/main/c/Pong/pong.h
+++ b/src/main/c/Pong/pong.h
@@ -5,5 +5,14 @@ int pong();
 
 void resetScore(int *score1, int *score2);
 
+typedef struct {
+    int x;
+    int y;
+    int speedX;
+    int speedY;
+} Ball;
+
+void updateBallPosition(Ball* ball);
+
 #endif