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h2ph - convert .h C header files to .ph Perl header files - Perldoc Browser
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It is most easily run while in /usr/include:</p> <pre><code class="plaintext">cd /usr/include; h2ph * sys/*</code></pre> <p>or</p> <pre><code class="plaintext">cd /usr/include; h2ph * sys/* arpa/* netinet/*</code></pre> <p>or</p> <pre><code class="plaintext">cd /usr/include; h2ph -r -l .</code></pre> <p>The output files are placed in the hierarchy rooted at Perl's architecture dependent library directory. You can specify a different hierarchy with a <b>-d</b> switch.</p> <p>If run with no arguments, filters standard input to standard output.</p> <h1 id="OPTIONS"><a class="permalink" href="#OPTIONS">#</a>OPTIONS</h1> <dl> <dt id="-d-destination_dir"><a class="permalink" href="#-d-destination_dir">#</a><a id="d-destination_dir"></a>-d destination_dir</dt> <dd> <p>Put the resulting <b>.ph</b> files beneath <b>destination_dir</b>, instead of beneath the default Perl library location (<code>$Config{'installsitearch'}</code>).</p> </dd> <dt id="-r"><a class="permalink" href="#-r">#</a><a id="r"></a>-r</dt> <dd> <p>Run recursively; if any of <b>headerfiles</b> are directories, then run <i>h2ph</i> on all files in those directories (and their subdirectories, etc.). <b>-r</b> and <b>-a</b> are mutually exclusive.</p> </dd> <dt id="-a"><a class="permalink" href="#-a">#</a><a id="a"></a>-a</dt> <dd> <p>Run automagically; convert <b>headerfiles</b>, as well as any <b>.h</b> files which they include. This option will search for <b>.h</b> files in all directories which your C compiler ordinarily uses. <b>-a</b> and <b>-r</b> are mutually exclusive.</p> </dd> <dt id="-l"><a class="permalink" href="#-l">#</a><a id="l"></a>-l</dt> <dd> <p>Symbolic links will be replicated in the destination directory. If <b>-l</b> is not specified, then links are skipped over.</p> </dd> <dt id="-h"><a class="permalink" href="#-h">#</a><a id="h"></a>-h</dt> <dd> <p>Put 'hints' in the .ph files which will help in locating problems with <i>h2ph</i>. In those cases when you <b>require</b> a <b>.ph</b> file containing syntax errors, instead of the cryptic</p> <pre><code class="plaintext">[ some error condition ] at (eval mmm) line nnn</code></pre> <p>you will see the slightly more helpful</p> <pre><code class="plaintext">[ some error condition ] at filename.ph line nnn</code></pre> <p>However, the <b>.ph</b> files almost double in size when built using <b>-h</b>.</p> </dd> <dt id="-e"><a class="permalink" href="#-e">#</a><a id="e"></a>-e</dt> <dd> <p>If an error is encountered during conversion, output file will be removed and a warning emitted instead of terminating the conversion immediately.</p> </dd> <dt id="-D"><a class="permalink" href="#-D">#</a><a id="D"></a>-D</dt> <dd> <p>Include the code from the <b>.h</b> file as a comment in the <b>.ph</b> file. This is primarily used for debugging <i>h2ph</i>.</p> </dd> <dt id="-Q"><a class="permalink" href="#-Q">#</a><a id="Q"></a>-Q</dt> <dd> <p>'Quiet' mode; don't print out the names of the files being converted.</p> </dd> </dl> <h1 id="ENVIRONMENT"><a class="permalink" href="#ENVIRONMENT">#</a>ENVIRONMENT</h1> <p>No environment variables are used.</p> <h1 id="FILES"><a class="permalink" href="#FILES">#</a>FILES</h1> <pre><code class="plaintext">/usr/include/*.h /usr/include/sys/*.h</code></pre> <p>etc.</p> <h1 id="AUTHOR"><a class="permalink" href="#AUTHOR">#</a>AUTHOR</h1> <p>Larry Wall</p> <h1 id="SEE-ALSO"><a class="permalink" href="#SEE-ALSO">#</a><a id="SEE"></a>SEE ALSO</h1> <p>perl(1)</p> <h1 id="DIAGNOSTICS"><a class="permalink" href="#DIAGNOSTICS">#</a>DIAGNOSTICS</h1> <p>The usual warnings if it can't read or write the files involved.</p> <h1 id="BUGS"><a class="permalink" href="#BUGS">#</a>BUGS</h1> <p>Doesn't construct the %sizeof array for you.</p> <p>It doesn't handle all C constructs, but it does attempt to isolate definitions inside evals so that you can get at the definitions that it can translate.</p> <p>It's only intended as a rough tool. You may need to dicker with the files produced.</p> <p>You have to run this program by hand; it's not run as part of the Perl installation.</p> <p>Doesn't handle complicated expressions built piecemeal, a la:</p> <pre><code> enum { FIRST_VALUE, SECOND_VALUE, #ifdef ABC THIRD_VALUE #endif };</code></pre> <p>Doesn't necessarily locate all of your C compiler's internally-defined symbols.</p> </div> <div id="footer"> <p>Perldoc Browser is maintained by Dan Book (<a href="https://metacpan.org/author/DBOOK">DBOOK</a>). Please contact him via the <a href="https://github.com/Grinnz/perldoc-browser/issues">GitHub issue tracker</a> or <a href="mailto:dbook@cpan.org">email</a> regarding any issues with the site itself, search, or rendering of documentation.</p> <p>The Perl documentation is maintained by the Perl 5 Porters in the development of Perl. Please contact them via the <a href="https://github.com/Perl/perl5/issues">Perl issue tracker</a>, the <a href="https://lists.perl.org/list/perl5-porters.html">mailing list</a>, or <a href="https://kiwiirc.com/client/irc.perl.org/p5p">IRC</a> to report any issues with the contents or format of the documentation.</p> </div> </div> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.slim.min.js" integrity="sha512-/DXTXr6nQodMUiq+IUJYCt2PPOUjrHJ9wFrqpJ3XkgPNOZVfMok7cRw6CSxyCQxXn6ozlESsSh1/sMCTF1rL/g==" crossorigin="anonymous"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.1/umd/popper.min.js" integrity="sha512-ubuT8Z88WxezgSqf3RLuNi5lmjstiJcyezx34yIU2gAHonIi27Na7atqzUZCOoY4CExaoFumzOsFQ2Ch+I/HCw==" crossorigin="anonymous"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js" integrity="sha384-B4gt1jrGC7Jh4AgTPSdUtOBvfO8shuf57BaghqFfPlYxofvL8/KUEfYiJOMMV+rV" crossorigin="anonymous"></script> <script src="/js/highlight.pack.js"></script> <script>hljs.highlightAll();</script> </body> </html>