KERN_HOSTID
mib[1] = KERN_HOSTID;
mib[1] = KERN_HOSTID;
int name[] = { CTL_KERN, KERN_HOSTID };
SYSCTL_PROC(_kern, KERN_HOSTID, hostid,
name[1] = KERN_HOSTID;
name[1] = KERN_HOSTID;
case KERN_HOSTID: