-/* The UI type is a holder for a specific user interface session. It can
- contain an illimited number of informational or error strings as well
- as things to prompt for, both passwords (noecho mode) and others (echo
- mode), and verification of the same. All of these are called strings,
- and are further described below. */
-typedef struct ui_st UI;
-
-/* All instances of UI have a reference to a method structure, which is a
- ordered vector of functions that implement the lower level things to do.
- There is an instruction on the implementation further down, in the section
- for method implementors. */
-typedef struct ui_method_st UI_METHOD;
+/* Declared already in ossl_typ.h */
+/* typedef struct ui_st UI; */
+/* typedef struct ui_method_st UI_METHOD; */