How can Duff's device code be compiled?

I understood why Duff\'s device is faster than normal loop code which can be unrolled but is not optimized. But I can\'t understand how the code can be compiled yet.

成都豆腐乳哪个牌子好？

Can I use Duff's Device on an array in C?

I have a loop here and I want to make it run faster. I am passing in a large array. I recently heard of Duff\'s Device ca开发者_运维百科n it be applied to this for loop? any ideas?

Writing a web-scripting language from the ground up?

I\'m looking for references stating how to write a web scripting language and interface it with a web-server.