-XBT_PUBLIC e_surf_action_state_t surf_action_get_state(surf_action_t action);
-XBT_PUBLIC double surf_action_get_start_time(surf_action_t action);
-XBT_PUBLIC double surf_action_get_finish_time(surf_action_t action);
-XBT_PUBLIC void surf_action_free(surf_action_t * action);
-XBT_PUBLIC void surf_action_change_state(surf_action_t action,
+e_surf_action_state_t surf_action_get_state(surf_action_t action);
+double surf_action_get_start_time(surf_action_t action);
+double surf_action_get_finish_time(surf_action_t action);
+void surf_action_free(surf_action_t * action);
+void surf_action_change_state(surf_action_t action,