just some cleanup

1 files changed, 4 insertions, 0 deletions

diff --git a/util.c b/util.c
new file mode 100644
index 0000000..80a57da
--- /dev/null
+++ b/util.c
@@ -0,0 +1,4 @@
+#include "util.h"
+
+int imax(int a, int b);
+int imin(int a, int b);