jps_get
.jps_get = jps_get_mac_label,
if (jpsdef == NULL || jpsdef->jps_get == NULL)
return ((jpsdef->jps_get)(jp, jiov));
static int jps_get(struct jailparam *, struct iovec *);
processed = jps_get(&jp[j], &jiov[i]);
jps_get_t *jps_get; /* jailparam_get() */