-extern void check_blockables_blocked_or_lose();
-extern void check_gc_signals_unblocked_or_lose();
-extern void unblock_gc_signals();
+extern void check_blockables_blocked_or_lose(void);
+extern void check_gc_signals_unblocked_or_lose(void);
+extern void unblock_gc_signals(void);
extern void fake_foreign_function_call(os_context_t* context);
extern void undo_fake_foreign_function_call(os_context_t* context);
extern void arrange_return_to_lisp_function(os_context_t *, lispobj);
extern void fake_foreign_function_call(os_context_t* context);
extern void undo_fake_foreign_function_call(os_context_t* context);
extern void arrange_return_to_lisp_function(os_context_t *, lispobj);
/* The void* casting here avoids having to mess with the various types
* of function argument lists possible for signal handlers:
/* The void* casting here avoids having to mess with the various types
* of function argument lists possible for signal handlers: