Self Replicating C code

[kqr2]

http://www.azillionmonkeys.com/qed/self.html

[joe_the_user]

What would be harder is producing code of this sort that does not contain repetition within itself or producing a library function which would output the entire source-code of an executable.

For the latter, I suspect you'd need: Ruby, A special C compiler, or Assembler