Instance CompSpecs : compspecs.Definition Vprog : varspecs.Definition t_struct_c := Tstruct _c noattr.Definition get_spec : ident * funspec.Definition update222 (i: int) (v: reptype' t_struct_c) : reptype' t_struct_c :=
   (fst v, (fst (snd v), (fst (snd (snd v)), i))).

Lemma body_set: semax_body Vprog Gprog f_set set_spec.