Frama-C API - Polymorphic4_input
See module Polymorphic_input: very same functions with three additional arguments corresponding to the additional type variables.
val structural_descr : Structural_descr.t -> Structural_descr.t -> Structural_descr.t -> Structural_descr.t -> Structural_descr.tval reprs : 'a -> 'b -> 'c -> 'd -> ('a, 'b, 'c, 'd) t list