-rust_is_mangled (const char *mangled);
-
-/* Demangles SYM (in-place) if RUST_IS_MANGLED returned non-zero for SYM.
- If RUST_IS_MANGLED returned zero for SYM then RUST_DEMANGLE_SYM might
- replace characters that cannot be demangled with '?' and might truncate
- SYM. After calling RUST_DEMANGLE_SYM SYM might be shorter, but never
- larger. */
-extern void
-rust_demangle_sym (char *sym);
-
-/* Demangles MANGLED if it was GNU_V3 and then RUST mangled, otherwise
- returns NULL. Uses CPLUS_DEMANGLE_V3, RUST_IS_MANGLED and
- RUST_DEMANGLE_SYM. Returns a new string that is owned by the caller. */
+rust_demangle_callback (const char *mangled, int options,
+ demangle_callbackref callback, void *opaque);
+
+