Refactoring, license, Box UI framework

util.h

@@ -0,0 +1,14 @@
+
+/*
+ * Copyright (C) Artsiom D.
+ * Copyright (C) shit-co.de
+ */
+
+
+#pragma once
+
+#include <stddef.h>
+
+
+void *emalloc(size_t n);
+void die(char *fmt, ...);