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-rw-r--r--include/othello.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/othello.h b/include/othello.h
index 7591938..6c27c46 100644
--- a/include/othello.h
+++ b/include/othello.h
@@ -18,6 +18,8 @@
#define _GNU_SOURCE
+#pragma once
+
#include <stdbool.h>
enum player_color {