int (*action_unref) (surf_action_t action);/**< Specify that we don't use that action anymore */
void (*action_cancel) (surf_action_t action);/**< Cancel a running action */
void (*action_recycle) (surf_action_t action);/**< Recycle an action */
int (*action_unref) (surf_action_t action);/**< Specify that we don't use that action anymore */
void (*action_cancel) (surf_action_t action);/**< Cancel a running action */
void (*action_recycle) (surf_action_t action);/**< Recycle an action */