val ty : t Frama_c_kernel.Type.t
val descr : t Frama_c_kernel.Descr.t
val packed_descr : Frama_c_kernel.Structural_descr.pack
val equal : t -> t -> bool
val compare : t -> t -> int
val pretty : Stdlib.Format.formatter -> t -> unit
val mem_project : (Frama_c_kernel.Project_skeleton.t -> bool) -> t -> bool