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<a name="write-1"></a>
<h4 class="unnumberedsubsubsec">write</h4>
<a name="index-write_002c-file_002di_002fo-system-call"></a>

<dl compact="compact">
<dt>Synopsis:</dt>
<dd><div class="smallexample">
<pre class="smallexample">int write(int fd, const void *buf, unsigned int count);
</pre></div>

</dd>
<dt>Request:</dt>
<dd><p>&lsquo;<samp>Fwrite,<var>fd</var>,<var>bufptr</var>,<var>count</var></samp>&rsquo;
</p>
</dd>
<dt>Return value:</dt>
<dd><p>On success, the number of bytes written are returned.
Zero indicates nothing was written.  On error, -1
is returned.
</p>
</dd>
<dt>Errors:</dt>
<dd>
<dl compact="compact">
<dt><code>EBADF</code></dt>
<dd><p><var>fd</var> is not a valid file descriptor or is not open for
writing.
</p>
</dd>
<dt><code>EFAULT</code></dt>
<dd><p><var>bufptr</var> is an invalid pointer value.
</p>
</dd>
<dt><code>EFBIG</code></dt>
<dd><p>An attempt was made to write a file that exceeds the
host-specific maximum file size allowed.
</p>
</dd>
<dt><code>ENOSPC</code></dt>
<dd><p>No space on device to write the data.
</p>
</dd>
<dt><code>EINTR</code></dt>
<dd><p>The call was interrupted by the user.
</p></dd>
</dl>

</dd>
</dl>


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