+
+/* Gets data from tvbuff, adds it to proto_tree, *DOES NOT* increment
+ * offset, and returns proto_item* */
+proto_item*
+ptvcursor_add_no_advance(ptvcursor_t*, int hf, gint length, gboolean endianness);
+
+/* Advance the ptvcursor's offset within its tvbuff without
+ * adding anything to the proto_tree. */
+void
+ptvcursor_advance(ptvcursor_t* ptvc, gint length);
+