-XBT_PUBLIC(const char*) sg_link_name(Link *link);
-XBT_PUBLIC(Link *) sg_link_by_name(const char *name);
-XBT_PUBLIC(int) sg_link_is_shared(Link *link);
-XBT_PUBLIC(double) sg_link_bandwidth(Link *link);
-XBT_PUBLIC(double) sg_link_latency(Link *link);
-XBT_PUBLIC(void*) sg_link_data(Link *link);
-XBT_PUBLIC(void) sg_link_data_set(Link *link,void *data);
-XBT_PUBLIC(int) sg_link_amount(void);
-XBT_PUBLIC(Link**) sg_link_list(void);
-XBT_PUBLIC(void) sg_link_exit(void);
+XBT_PUBLIC const char* sg_link_name(sg_link_t link);
+XBT_PUBLIC sg_link_t sg_link_by_name(const char* name);
+XBT_PUBLIC int sg_link_is_shared(sg_link_t link);
+XBT_PUBLIC double sg_link_bandwidth(sg_link_t link);
+XBT_PUBLIC double sg_link_latency(sg_link_t link);
+XBT_PUBLIC void* sg_link_data(sg_link_t link);
+XBT_PUBLIC void sg_link_data_set(sg_link_t link, void* data);
+XBT_PUBLIC int sg_link_count();
+XBT_PUBLIC sg_link_t* sg_link_list();