erl_match question

[Serge Aleynikov]

Hi,

I am trying to convert an application that uses erl_interface to use ei. 
  I don't see an ei's analog of erl_match(Pattern, Term).  Is the proper 
way of writing an ei application to mix ei & erl_interface, or ei is 
supposed to be a replacement for erl_interface?  In a later case, how 
would I implement pattern matching in ei?

Thanks.

Serge