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ioccc/1994/shapiro/index.html
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Landon Curt Noll 0fa01fd744 add title and abstract to .entry.json and index.html files
We add an initial "_title_" and "_abstract_" to all entry `.entry.json` files.

The `bin/csv2entry.sh` tool reads the `summary.csv` file and
loads the "_title_" and "_abstract_" to entry `.entry.json` files.

Changed `bin/csv2entry.sh` VERSION from "1.3 2024-09-23"
to "1.4 2024-09-27".

Perform `make csv2entry` to perform the above and test under macOS.

The `bin/cvt-submission.sh` tool adds "_title_" and "_abstract_" to the
.entry.json based on the `.info.json` file.

Changed `bin/cvt-submission.sh` VERSION from "1.2 2024-09-23"
to "1.3 2024-09-27".

The `bin/entry2csv.sh` tool forms the `summary.csv` file
based on the "_title_" and "_abstract_" fields found in .entry.json files.

Changed `bin/entry2csv.sh` VERSION from "1.3 2024-09-23"
to "1.4 2024-09-27".

Perform `make entry2csv` to perform the above and test under macOS.

Added `-H` and `header=with-header-3` to the `bin/md2html.cfg`
for the configuration entry for `[12][0-9][0-9][0-9]/*/README.md`.

Changed `bin/md2html.sh` VERSION from "1.6 2024-08-17"
to "1.7 2024-09-27".

All entry `index.html` files now list the "_abstract_" in a new
`<h3>abstract</h3>` header.

Changed `bin/subst.entry-index.sh` VERSION from "1.6 2024-09-23"
to "1.7 2024-09-27".

Removed `summary.csv`.

Added `summary.csv` and `summary.numbers` to `.gitignore`.
Sorted the result with `bin/sgi.sh`.

Perform `make quick_www` to perform the above and test under macOS.

Perform `make www` to perform the above and test under macOS.
2024-09-27 23:40:45 -07:00

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<h1>The International Obfuscated C Code Contest</h1>
<h2>1994/shapiro - Most well rounded obfuscation</h2>
<h3>print time of day on an tty</h3>
</div>
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<div class="navbar">
<a class="Left" href="../schnitzi/index.html">&larr; 1994/schnitzi</a>
<a class="Left" href="../index.html">&uarr; 1994 &uarr;</a>
<a class="Left" href="../smr/index.html">1994/smr &rarr;</a>
<a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/shapiro.c">C code</a>
<a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/Makefile">Makefile</a>
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<h2 id="author">Author:</h2>
<ul>
<li>Name: <a href="../../authors.html#Andrew_Shapiro">Andrew T. Shapiro</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>
<h3 id="bugs-and-misfeatures">Bugs and (Mis)features:</h3>
<p>The current status of this entry is:</p>
<blockquote>
<p><strong>STATUS: INABIAF - please DO NOT fix</strong><br>
<strong>STATUS: missing file - please provide it</strong></p>
</blockquote>
<p>For more detailed information see <a href="../../bugs.html#1994_shapiro">1994/shapiro in bugs.html</a>.</p>
<h2 id="to-use">To use:</h2>
<pre><code> ./shapiro &amp;</code></pre>
<p>Now find the clock in the same terminal window (or console if at the console).</p>
<h2 id="try">Try:</h2>
<pre><code> ./shapiro
^Z
bg
ps x
fg
^C
./shapiro_t1</code></pre>
<p>Notice what you see in the output of <code>ps</code>! Observe too what happens after you
bring it back to the foreground.</p>
<h2 id="judges-remarks">Judges’ remarks:</h2>
<p>This entry has many different levels of obfuscation, and yet the
source file is self documenting. :-)</p>
<p>From time to time, run <code>ps(1)</code> and look at the new processes.</p>
<p>If you want more information on the internals of this program, see
<a href="shapiro.html">shapiro.html</a>.</p>
<p>The missing file <code>shapiro.alt.c</code> is an unobfuscated version of this program. See
<a href="../../bugs.html#1994_shapiro">1994/shapiro in bugs.html</a>.</p>
<h2 id="authors-remarks">Author’s remarks:</h2>
<p>The basic theme (pun) of this program is:</p>
<blockquote>
<p>“This <strong>time</strong> (everything) is not where it should be.”</p>
</blockquote>
<h3 id="notice-to-those-who-wish-for-a-greater-challenge">NOTICE to those who wish for a greater challenge:</h3>
<p><strong>If you want a greater challenge, don’t read any further</strong>:
just try to understand the program via the source.</p>
<p>If you get stuck, come back and read below for additional hints and information.</p>
<p>My entry, <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/shapiro.c">shapiro.c</a>, is mostly comments, formatted in the shape of a
clock. If you strip out the comments and look at the code you will
quickly realize that the comments were the important part and that
the code does very little (see pun above). It writes (to <code>stdout</code>)
another C program (<code>shapiro_t2.c</code>). This is the first level of
obfuscation.</p>
<p>The second program (<code>shapiro_t2.c</code>) prints a clock in the upper right hand
corner of your VTxxx/ANSI display.</p>
<p>Most of the surface obfuscation in the second program,
<code>shapiro_t2.c</code>, was an attempt to make it as small as possible.
You should be able to see around this with <code>cb(1)</code> and some more intelligent
variable names. Once you get past this you will realize that the third level of
obfuscation is a six member client/server hierarchy. (See the
<a href="shapiro.html">shapiro.html</a> web page for a detailed description of the algorithm.)</p>
<p><code>lint</code> complains about: precedence confusion, <code>K</code> may be used before set,
<code>main()</code> returns random value to invocation environment, value type used
inconsistently, value type declared inconsistently, function argument
(number) used inconsistently, function returns value which is always
ignored, function returns value which is sometimes ignored.
All of which are harmless (famous last words).</p>
<p>This may or may not work on non ASCII systems (I could not find one to
test it on.)</p>
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<div id="inventory">
<h1 id="inventory-for-1994shapiro">Inventory for 1994/shapiro</h1>
</div>
<h2 id="primary-files">Primary files</h2>
<ul>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/shapiro.c">shapiro.c</a> - entry source code</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/Makefile">Makefile</a> - entry Makefile</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/shapiro.orig.c">shapiro.orig.c</a> - original source code</li>
<li><a href="shapiro.html">shapiro.html</a> - author’s hints</li>
</ul>
<h2 id="secondary-files">Secondary files</h2>
<ul>
<li><a href="1994_shapiro.tar.bz2">1994_shapiro.tar.bz2</a> - download entry tarball</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/README.md">README.md</a> - markdown source for this web page</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/.entry.json">.entry.json</a> - entry summary and manifest in JSON</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/.path">.path</a> - directory path from top level directory</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/shapiro/shapiro.md">shapiro.md</a> - markdown source for shapiro.html</li>
<li><a href="index.html">index.html</a> - this web page</li>
</ul>
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