[racket] What are some good practices of reading racket source code

> But as a C programmer, I was thinking more low-level as well such as
> how does racket virtual machine manage its memory,
> what is the implementation detail about its built-in data types,
> and of course, I am interested in its mechanism and strategies based on
> these facilities.

Ah, ok.  There's a document that describes the internals from the C perspective:

    http://docs.racket-lang.org/inside/index.html