+ SD_workstation_t *workstation_list; /* array of workstations, created only if
+ necessary in SD_workstation_get_list */
+
+ xbt_dict_t links; /* links */
+ int link_count; /* number of links */
+ SD_link_t *link_list; /* array of links, created only if
+ necessary in SD_link_get_list */
+ SD_link_t *recyclable_route; /* array returned by SD_route_get_list
+ and mallocated only once */
+