Frama-C API - Node
 Lazily associates a node to any element.
 Parameters
Signature
val node : dot -> t -> attr list -> unitval record : dot -> t -> ?rounded:bool -> ?attr:attr list -> record -> unitval define : dot -> (t -> node -> unit) -> unitPushes the callback which will be executed once for all created nodes. You must call run dot at some point to flush them. Any previously registered callback is replaced by the new one.
val prefix : string -> unitSet node prefix. Otherwise, some default one is created for each functor application.