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-rw-r--r--digital/io/src/food.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/digital/io/src/food.h b/digital/io/src/food.h
index aa47f322..b0e15034 100644
--- a/digital/io/src/food.h
+++ b/digital/io/src/food.h
@@ -67,4 +67,8 @@ food_shorten (uint8_t food);
int16_t
food_slow_motion (uint8_t food);
+/** Declare a food as black. */
+void
+food_black (uint8_t food);
+
#endif /* food_h */