ilable when <tt><a href="config.html#fs_readonly">FF_FS_READONLY</a> == 0</tt> and <tt><a href="config.html#use_chmod">FF_USE_CHMOD</a> == 1</tt>.</p>
</div>


<div class="para use">
<h4>Example</h4>
<pre>
    <span class="c">/* Set Read-only, clear Archive and others are left unchanged. */</span>
    <em>f_chmod</em>("file.txt", AM_RDO, AM_RDO | AM_ARC);
</pre>
</div>

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