* by calling "c_thread_start" which is a function pointer created during
* provider initialisation (i.e. OSSL_init_provider).
*/
-extern OSSL_core_thread_start_fn *c_thread_start;
+extern OSSL_FUNC_core_thread_start_fn *c_thread_start;
#endif
typedef struct thread_event_handler_st THREAD_EVENT_HANDLER;