@@ -92,10 +92,13 @@
 # define OF_PATH_DELIMITER '/'
 #else
 # define OF_PATH_DELIMITER '\\'
 #endif
 
+extern id objc_getProperty(id, SEL, ptrdiff_t, BOOL);
+extern void objc_setProperty(id, SEL, ptrdiff_t, id, BOOL, BOOL);
+
 #define OF_IVAR_OFFSET(ivar) ((intptr_t)&ivar - (intptr_t)self)
 #define OF_GETTER(ivar, atomic) \
 	return objc_getProperty(self, _cmd, OF_IVAR_OFFSET(ivar), atomic);
 #define OF_SETTER(ivar, value, atomic, copy) \
 	objc_setProperty(self, _cmd, OF_IVAR_OFFSET(ivar), value, atomic, copy);