Inductive empty_type : Type := .Definition withtype_of_NDfunspec fs := match fs with
  mk_funspec _ _ (rmaps.ConstType A) _ _ _ _ => A | _ => empty_type end.Definition withtype_of_funspec fs := match fs with
  mk_funspec _ _ A _ _ _ _ => A end.

Lemma subsume_semax_body: forall fs1 fs2 (H: subsume_funspec0 fs1 fs2), forall Vprog Gprog cs f id, @semax_body Vprog Gprog cs f (id,fs1) -> @semax_body Vprog Gprog cs f (id,fs2).