diff --git a/samples/C/Arduino.cats b/samples/C/Arduino.cats
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+/** The MIT License (MIT)
+
+Copyright (c) 2014 Hongwei Xi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.*/
+
+// Source: https://github.com/githwxi/ATS-Postiats-contrib/blob/master/contrib/arduino/CATS/Arduino.cats
+
+
+/*
+** The prelude for Ardunio
+*/
+
+/* ****** ****** */
+
+#ifndef ARDUINO_CATS_ARDUINO
+#define ARDUINO_CATS_ARDUINO
+
+/* ****** ****** */
+
+#include <Arduino.h>
+
+/* ****** ****** */
+
+#define delay_int(ms) delay(ms)
+#define delay_ulint(ms) delay(ms)
+
+/* ****** ****** */
+//
+#define random_int_1(x) random(x)
+#define random_int_2(x, y) random(x, y)
+#define random_lint_1(x) random(x)
+#define random_lint_2(x, y) random(x, y)
+//
+#define randomSeed_int(x) randomSeed(x)
+#define randomSeed_uint(x) randomSeed(x)
+//
+/* ****** ****** */
+
+#endif // #ifndef(ARDUINO_CATS_ARDUINO)
+
+/* ****** ****** */
+
+/* end of [Arduino.cats] */