the same size on 64 bit systems, but pointer and long are.</p>
<p>This is guaranteed by the LP64 memory model, a Unix standard (which Linux
-and MacOS X both implement). See
+and MacOS X both implement, and which modern 64 bit processors such as
+x86-64 were <a href=http://www.pagetable.com/?p=6>designed for</a>). See
<a href=http://www.unix.org/whitepapers/64bit.html>the LP64 standard</a> and
<a href=http://www.unix.org/version2/whatsnew/lp64_wp.html>the LP64
rationale</a> for details.</p>