-#elif defined(OPENSSL_SYS_MACINTOSH_CLASSIC)
- /* async callback mechanisms */
- /* swiftCallbackLevel */
- #define SW_MAC_CALLBACK_LEVEL_NO 0
- #define SW_MAC_CALLBACK_LEVEL_HARDWARE 1 /* from the hardware ISR */
- #define SW_MAC_CALLBACK_LEVEL_SECONDARY 2 /* as secondary ISR */
- typedef int SW_MAC_CALLBACK_LEVEL;
- typedef int SW_OSHANDLE;
- #define SW_OS_INVALID_HANDLE (-1)
- #define SW_CALLCONV