All of the suggestions you've been given so far are necessarily incomplete. The best you can do is to get a snapshot of the subroutines that are defined in a module's synbol table at a given time. That's not necessarily the complete list of subroutine calls that the module will react to.

In Re: Parse/Validate Code I listed some of the most obvious exceptions that will cause you problems.

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In reply to Re: a list of functions within a pm by davorg
in thread a list of functions within a pm by shrubbery

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