How do I get a list of Emacs lisp non-interactive functions?

Question

How do I get a complete list of non-interactive functions that I can use in Emacs Lisp?

The interactive ones are easy enough to find in the help system, but I want a com

Answer 1

You could check the contents of obarray, though that contains all symbols, rather than "all functions".

Alternatively, the following may do the trick (will pull in parts of the CL compatability package):

(reduce (lambda (so-far next) (if (fboundp next) (cons next so-far) so-far)) obarray :initial-value nil)