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-rw-r--r--src/engine/fen.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/engine/fen.h b/src/engine/fen.h
index 3e5cecf..d45240e 100644
--- a/src/engine/fen.h
+++ b/src/engine/fen.h
@@ -1,3 +1,6 @@
+#ifndef FEN_H
+#define FEN_H
+
#include "bitboard.h"
struct fen_load {
@@ -5,3 +8,5 @@ struct fen_load {
position_t position;
};
struct fen_load load_fen(const char* fen);
+
+#endif // FEN_H