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+.. _arduino-highbyte:
+
+highByte()
+==========
+
+Description
+-----------
+
+Extracts the high-order (leftmost) byte of a word (or the second
+lowest byte of a larger data type).
+
+
+
+Syntax
+------
+
+highByte(x)
+
+
+
+Parameters
+----------
+
+x: a value of any type
+
+
+
+Returns
+-------
+
+byte
+
+
+
+See also
+--------
+
+
+-  `lowByte <http://arduino.cc/en/Reference/LowByte>`_\ ()
+-  `word <http://arduino.cc/en/Reference/WordCast>`_\ ()
+
+