1 files changed, 1 insertions, 0 deletions

diff --git a/cards.h b/cards.h
index 0ed1b8f..8cd99c4 100644
--- a/cards.h
+++ b/cards.h
@@ -62,6 +62,7 @@ enum Cards_Flags {
 };
 
 struct Cards *Cards_Load(SDL_RWops *rw, enum Cards_Flags flags);
+int Cards_Invert(struct Cards *cards);
 void Cards_Free(struct Cards *cards);
 
 #endif