diff --git a/libbozo/headers/utils.h b/libbozo/headers/utils.h
new file mode 100644
index 0000000..f84c489
--- /dev/null
+++ b/libbozo/headers/utils.h
@@ -0,0 +1,4 @@
+#pragma once
+
+#define CEIL(x, y)      (((x) + (y) - 1) / (y))
+#define ARRAY_SIZE(ptr) (sizeof(ptr) / sizeof(ptr[0]))