-XBT_PUBLIC(void) sg_host_energy_plugin_init();
-XBT_PUBLIC(void) sg_host_energy_update_all();
-XBT_PUBLIC(double) sg_host_get_consumed_energy(sg_host_t host);
-XBT_PUBLIC(double) sg_host_get_wattmin_at(sg_host_t host, int pstate);
-XBT_PUBLIC(double) sg_host_get_wattmax_at(sg_host_t host, int pstate);
-XBT_PUBLIC(double) sg_host_get_current_consumption(sg_host_t host);
+XBT_PUBLIC void sg_host_energy_plugin_init();
+XBT_PUBLIC void sg_host_energy_update_all();
+XBT_PUBLIC double sg_host_get_consumed_energy(sg_host_t host);
+XBT_PUBLIC double sg_host_get_wattmin_at(sg_host_t host, int pstate);
+XBT_PUBLIC double sg_host_get_wattmax_at(sg_host_t host, int pstate);
+XBT_PUBLIC double sg_host_get_current_consumption(sg_host_t host);
+
+XBT_PUBLIC void sg_link_energy_plugin_init();
+XBT_PUBLIC double sg_link_get_consumed_energy(sg_link_t link);
+
+XBT_PUBLIC int sg_link_energy_is_inited();