Instance CompSpecs : compspecs.Definition Vprog : varspecs.Definition t_struct_b := Tstruct _b noattr.

(* Specifications: *)
Lemma spec_coincide: sub_spec' = sub_spec.
Lemma body_sub1: semax_body Vprog Gprog f_sub1 (sub_spec _sub1).
Lemma body_sub2: semax_body Vprog Gprog f_sub2 (sub_spec _sub2).
Lemma body_sub3: semax_body Vprog Gprog f_sub3 (sub_spec _sub3).