void ws_action_suspend(surf_action_t action);
void ws_action_resume(surf_action_t action);
e_surf_resource_state_t ws_get_state(void *workstation);
+double ws_action_get_remains(surf_action_t action);
void ws_get_params(void *ws, ws_params_t params);
void ws_set_params(void *ws, ws_params_t params);