C++ If statements

I started reading a C++ book today and I've got a question for all you expert programmers:
is it possible to include AND\OR in IF statements?
For example, something like this:

if (variable1 = variable2) or (variable1 = variable3)
    cout<<"whatever";

If so, how?
Or is that just not part of the language?

Okay, this thread is now about w3m-emacs.

I do everything I am supposed to do, put the (require 'w3m-load) in the init file, but EMACS refuses to find it. I have explicitly added the exact location of the w3m-load to the load-path, but with no avail. I see that all other files in the w3m dir are byte-compiled, and that might be the case, but EMACS does not compile w3m-load, it just pretends I didn't input the command. Help?