2 ** Hook for uncaught exceptions. This hook is called when an
3 ** exception is thrown and no valid exception handler is in place.
4 ** The function is expected never to return. If the function returns
5 ** the result is currently undefined. This is deprecated. Please use
6 ** objc_set_uncaught_exception_handler() from objc/objc-exception.h
9 objc_EXPORT void (*_objc_unexpected_exception)(id) __attribute__ ((deprecated));