s to an object with static or thread storage duration that is not a
lock-free atomic object other than by assigning a value to an object declared as
<code>volatile sig_atomic_t</code>, or calls any function in the standard library other
than the <code>abort</code> function, the <code>_Exit</code> function, the
<code>quick_exit</code> function, or the <code>signal</code> function (for the same
signal number) (7.14.1.1).</td>
<td>no</td>
</tr>

<tr><td>
&ndash; The value of <code>errno</code> is referred to a