So, MS has banned memcpy, so it would probably be prudent to begin work on migration to the safe(r) version for Windows:
http://blogs.msdn.com/sdl/archive/2009/05/14/please-join-me-in-welcoming-memcpy-to-the-sdl-rogues-gallery.aspx -Tyler Laing -- Visit my blog at http://oddco.ca/zeroth/zblog