 <p><code>__alldiv</code> is the function from Visual Studio C runtime library which handles 64-bit integer division in 32-bit environment, it looks similar to this: <a href="http://www.jbox.dk/sanos/source/lib/lldiv.asm.html" rel="nofollow">http://www.jbox.dk/sanos/source/lib/lldiv.asm.html</a></p>