-XBT_ATTRIB_DEPRECATED_v330("Please use sg_link_get_data()") XBT_PUBLIC void* sg_link_data(const_sg_link_t link);
-XBT_ATTRIB_DEPRECATED_v330("Please use sg_link_set_data()") XBT_PUBLIC
- void sg_link_data_set(sg_link_t link, void* data);
-XBT_PUBLIC int sg_link_count();