SG_BEGIN_DECL()
XBT_PUBLIC(size_t) sg_host_count();
-XBT_PUBLIC(size_t) sg_host_add_level(void(*deleter)(void*));
+XBT_PUBLIC(size_t) sg_host_extension_create(void(*deleter)(void*));
+XBT_PUBLIC(void*) sg_host_extension_get(sg_host_t host, size_t rank);
XBT_PUBLIC(sg_host_t) sg_host_by_name(const char *name);
XBT_PUBLIC(sg_host_t) sg_host_by_name_or_create(const char *name);
-XBT_PUBLIC(void*) sg_host_get_facet(sg_host_t host, size_t facet);
XBT_PUBLIC(const char*) sg_host_get_name(sg_host_t host);
XBT_PUBLIC(xbt_dynar_t) sg_hosts_as_dynar(void);
// ========== SURF CPU ============
XBT_PUBLIC(surf_cpu_t) sg_host_surfcpu(sg_host_t host);
XBT_PUBLIC(void) sg_host_surfcpu_set(sg_host_t host, surf_cpu_t cpu);
-XBT_PUBLIC(void) sg_host_surfcpu_register(sg_host_t host, surf_cpu_t cpu);
XBT_PUBLIC(void) sg_host_surfcpu_destroy(sg_host_t host);
// ========== RoutingEdge ============