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diff --git a/docs/source/lang/pointer.rst b/docs/source/lang/pointer.rst new file mode 100644 index 0000000..bc48d7d --- /dev/null +++ b/docs/source/lang/pointer.rst @@ -0,0 +1,28 @@ +.. _lang-pointer: + +The pointer operators: & (reference) and \* (dereference) +========================================================= + + +Pointers are one of the more complicated subjects for beginners in +learning C, and it is possible to write the vast majority of +Arduino sketches without ever encountering pointers. However for +manipulating certain data structures, the use of pointers can +simplify the code, and and knowledge of manipulating pointers is +handy to have in one's toolkit. + +Introducing pointers is somewhat outside the scope of this +documentation. However, a good `pointer tutorial +<http://www.cplusplus.com/doc/tutorial/pointers/>`_ is available. +Also see the `Wikipedia article on pointers +<http://en.wikipedia.org/wiki/Pointer_%28computing%29>`_, especially +the section on `pointers in C +<http://en.wikipedia.org/wiki/Pointer_%28computing%29#C_pointers>`_. + +See Also +======== + +- http://xkcd.com/138/ + + +.. include:: cc-attribution.txt |