Algorithm for generating a unique ID in C++?

Question

What can be the best algorithm to generate a unique id in C++? The length ID should be a 32 bit unsigned integer.

Answer 1

You can see this. (Complete answer, I think, is on Stack Overflow.)
Some note for unique id in C++ in Linux in this site. And you can use uuid in Linux, see this man page and sample for this.

If you use windows and need windows APIs, see this MSDN page.

This Wikipedia page is also useful: http://en.wikipedia.org/wiki/Universally_Unique_Identifier.