xbt_lib_foreach(host_lib, cursor, name, workstation) {
if(workstation[SURF_WKS_LEVEL])
SIMIX_host_create(name, workstation[SURF_WKS_LEVEL], NULL);
xbt_lib_foreach(host_lib, cursor, name, workstation) {
if(workstation[SURF_WKS_LEVEL])
SIMIX_host_create(name, workstation[SURF_WKS_LEVEL], NULL);