sysctl_find_oid
error = sysctl_find_oid(arg1, arg2, &oid, NULL, req);
error = sysctl_find_oid(arg1, arg2, &oid, NULL, req);
error = sysctl_find_oid(arg1, arg2, &oid, NULL, req);
error = sysctl_find_oid(arg1, arg2, &oid, &indx, req);
error = sysctl_find_oid(qoid, nlen + 2, &oidp, NULL, NULL);
error = sysctl_find_oid(next, nlen, &oidp, NULL, NULL);
int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid,