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<title>close (Debugging with GDB)</title>
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<h4 class="unnumberedsubsubsec">close</h4>
<a name="index-close_002c-file_002di_002fo-system-call"></a>
<dl compact="compact">
<dt>Synopsis:</dt>
<dd><div class="smallexample">
<pre class="smallexample">int close(int fd);
</pre></div>
</dd>
<dt>Request:</dt>
<dd><p>‘<samp>Fclose,<var>fd</var></samp>’
</p>
</dd>
<dt>Return value:</dt>
<dd><p><code>close</code> returns zero on success, or -1 if an error occurred.
</p>
</dd>
<dt>Errors:</dt>
<dd>
<dl compact="compact">
<dt><code>EBADF</code></dt>
<dd><p><var>fd</var> isn’t a valid open file descriptor.
</p>
</dd>
<dt><code>EINTR</code></dt>
<dd><p>The call was interrupted by the user.
</p></dd>
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