struct sstack_item *sstack_item_new(void);
struct sstack_item *sstack_item_new_push(unsigned char finished);
struct sstack_item *sstack_item_new_pop(void);
-struct sstack_item *sstack_item_new_evt(void);
+struct sstack_item *sstack_item_new_event(void);
+void sstack_force_flush(struct sstack *stack);
extern void print_stack(struct sstack *stack);