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<span id="Process_002c-Group_002c-and-User-IDs"></span><h3 class="section">36.6 Process, Group, and User IDs</h3>
<span id="XREFgetpgrp"></span><dl>
<dt id="index-getpgrp">: <em>pgid =</em> <strong>getpgrp</strong> <em>()</em></dt>
<dd><p>Return the process group id of the current process.
</p></dd></dl>
<span id="XREFgetpid"></span><dl>
<dt id="index-getpid">: <em>pid =</em> <strong>getpid</strong> <em>()</em></dt>
<dd><p>Return the process id of the current process.
</p>
<p><strong>See also:</strong> <a href="#XREFgetppid">getppid</a>.
</p></dd></dl>
<span id="XREFgetppid"></span><dl>
<dt id="index-getppid">: <em>pid =</em> <strong>getppid</strong> <em>()</em></dt>
<dd><p>Return the process id of the parent process.
</p>
<p><strong>See also:</strong> <a href="#XREFgetpid">getpid</a>.
</p></dd></dl>
<span id="XREFgeteuid"></span><dl>
<dt id="index-geteuid">: <em>euid =</em> <strong>geteuid</strong> <em>()</em></dt>
<dd><p>Return the effective user id of the current process.
</p>
<p><strong>See also:</strong> <a href="#XREFgetuid">getuid</a>.
</p></dd></dl>
<span id="XREFgetuid"></span><dl>
<dt id="index-getuid">: <em>uid =</em> <strong>getuid</strong> <em>()</em></dt>
<dd><p>Return the real user id of the current process.
</p>
<p><strong>See also:</strong> <a href="#XREFgeteuid">geteuid</a>.
</p></dd></dl>
<span id="XREFgetegid"></span><dl>
<dt id="index-getegid">: <em>egid =</em> <strong>getegid</strong> <em>()</em></dt>
<dd><p>Return the effective group id of the current process.
</p>
<p><strong>See also:</strong> <a href="#XREFgetgid">getgid</a>.
</p></dd></dl>
<span id="XREFgetgid"></span><dl>
<dt id="index-getgid">: <em>gid =</em> <strong>getgid</strong> <em>()</em></dt>
<dd><p>Return the real group id of the current process.
</p>
<p><strong>See also:</strong> <a href="#XREFgetegid">getegid</a>.
</p></dd></dl>
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