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<h1>The International Obfuscated C Code Contest</h1>
<h2>1985/sicherman - Worst abuse of the C preprocessor</h2>
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<a class="Left" href="../shapiro/index.html">&larr; shapiro</a>
<a class="Left" href="../index.html">&uarr; 1985 &uarr;</a>
<a class="Left Disabled" href="#">last entry</a>
<a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/sicherman.c">C code</a>
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<h2 id="author">Author:</h2>
<ul>
<li>Name: <a href="../../authors.html#Col_G_L_Sicherman">Col. G. L. Sicherman</a><br>
Location: <a href="../../location.html#US">US</a> - <em>United States of America</em> (<em>United States</em>)</li>
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<h2 id="to-build">To build:</h2>
<pre><code> make all</code></pre>
<p>There is another version that will be compiled in case the first fails. This
should happen automatically. See <a href="#alternate-code">Alternate code</a> below for
more details on it.</p>
<h2 id="to-use">To use:</h2>
<pre><code> ./sicherman &lt; file
echo foo | ./sicherman
./sicherman
# type or paste some text, making sure to hit enter after each line typed</code></pre>
<h2 id="try">Try:</h2>
<pre><code> ./try.sh</code></pre>
<h2 id="alternate-code">Alternate code:</h2>
<p>The <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/sicherman.alt.c">sicherman.alt.c</a> is a slight change in the fixed version
(fixed so it does not require <code>-traditional-cpp</code>) in that it has two args to
<code>main()</code> as some compilers object to certain number of args in <code>main()</code>. This
will be built in the case of the <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/sicherman.c">sicherman.c</a> failing to compile.
In this case it’ll be compiled to <code>sicherman</code> to simplify it for the larger
audience.</p>
<h3 id="alternate-build">Alternate build:</h3>
<p>Although this will be built if the original fails to compile you can do it
manually like:</p>
<pre><code> make alt</code></pre>
<p>In this case it will be built as <code>sicherman.alt</code>.</p>
<h3 id="alternate-use">Alternate use:</h3>
<pre><code> ./sicherman.alt &lt; file</code></pre>
<h3 id="alternate-try">Alternate try:</h3>
<pre><code> ./try.alt.sh</code></pre>
<h2 id="judges-remarks">Judges’ remarks:</h2>
<p>This program abuses the C preprocessor so much that some <code>cpp</code>s fail to strip
out all of the comments on the first pass! If you were able to understand
<a href="../../authors.html#Dave_Decot">Decot’s</a> <a href="../../1984/decot/index.html">entry in 1984</a>, you
will have a head start on this one.</p>
<p>Be sure to run this program through lint! If your lint works
correctly, it should warn you that the argument ‘Manual’ isn’t used.
Like the program says, what’s that mean?</p>
<p>Run the program without arguments and enter the letters ‘a’ through ‘m’
on a line. Now enter the letters ‘n’ through ‘z’. But to borrow a quote
from Richard Stallman: If you think you understand what this code
does, then you don’t, so read it again! Explain why:</p>
<pre><code> ./sicherman &lt; sicherman.c | ./sicherman | diff - ./sicherman.c</code></pre>
<p>results in diff reporting a difference on some machines.</p>
<h2 id="authors-remarks">Author’s remarks:</h2>
<p>No remarks were provided by the author.</p>
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<h1 id="inventory-for-1985sicherman">Inventory for 1985/sicherman</h1>
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<h2 id="primary-files">Primary files</h2>
<ul>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/sicherman.c">sicherman.c</a> - entry source</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/sicherman.alt.c">sicherman.alt.c</a> - alternative source</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/sicherman.orig.c">sicherman.orig.c</a> - original source</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/try.alt.sh">try.alt.sh</a> - how to run alternative code</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/try.sh">try.sh</a> - how to run</li>
</ul>
<h2 id="secondary-files">Secondary files</h2>
<ul>
<li><a href="1985_sicherman.tar.bz2">1985_sicherman.tar.bz2</a> - download entry tarball</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1985/sicherman/README.md">README.md</a> - markdown source for this web page</li>
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