1 files changed, 2 insertions, 0 deletions
diff --git a/src/pong.h b/src/pong.h
index 8fb51c5..bb6e522 100644
--- a/src/pong.h
+++ b/src/pong.h
@@ -10,6 +10,7 @@
 #include <stdatomic.h>
 #include <threads.h>
 #include <setjmp.h>
+#include <string.h>
 
 #define LEFT 0
 #define RIGHT 1
@@ -34,6 +35,7 @@ struct Balls {
 extern int Difficulty;
 extern bool GameGoing;
 extern atomic_int Ticks;
+extern char *VersionString;
 
 void enemy(struct Players *Enemy, struct Balls ball);
 void ball(Rectangle *Player, Rectangle *Enemy, struct Balls *Ball, int *PlayerScore, int *EnemyScore);