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 <h1>Object oriented programming with ANSI C</h1>
+<p class="quote"><i>Published by Paul at 2016-11-20, updated 2022-01-29</i></p>
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-<p class="quote"><i>Published by Paul at 2016-11-20, updated 2022-01-29</i></p>
 <p>You can do a little of object-oriented programming in the C Programming Language. However, that is, in my humble opinion, limited. It's easier to use a different programming language than C for OOP. But still it's an interesting exercise to try using C for this.</p>
 <h2>Function pointers</h2>
 <p>Let's have a look at the following sample program. All you have to do is to add a function pointer such as "calculate" to the definition of struct "something_s". Later, during the struct initialization, assign a function address to that function pointer:</p>
@@ -84,7 +84,7 @@ mult.calculate(mult,a,b));
 <p>Big C software projects, like Linux, also follow some OOP techniques:</p>
 <a class="textlink" href="https://lwn.net/Articles/444910/">https://lwn.net/Articles/444910/</a><br />
 <p>C is a very old programming language with it's quirks. This might be one of the reasons why Linux will also let Rust code in.</p>
-<p>E-Mail me your comments to paul at buetow dot org!</p>
+<p>E-Mail me your comments to paul at buetow dot org! :-)</p>
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