Yeah, you&#x27;re right: <a href="https:&#x2F;&#x2F;www.freebsd.org&#x2F;cgi&#x2F;man.cgi?query=alloca&amp;apropos=0&amp;sektion=0&amp;manpath=4.3BSD+NET%2F2&amp;arch=default&amp;format=html" rel="nofollow">https:&#x2F;&#x2F;www.freebsd.org&#x2F;cgi&#x2F;man.cgi?query=alloca&amp;apropos=0&amp;s...</a><p>The &quot;machine dependent&quot; reason is out of date though.