prop_equal
extern int prop_equal(property_t *, property_t *, const char *, const char *,
if (!prop_equal(p1, p2, NULL, NULL, 0))
(void) prop_equal(p1, p2, fmri, pg1->sc_pgroup_name,
if (prop_equal(p, new_p, NULL, NULL, 0))
if (!prop_equal(p, cur_p, NULL, NULL, 0)) {
(void) prop_equal(p, cur_p, fmri,
(void) prop_equal(cur_p, new_p, fmri,
(void) prop_equal(cur_p, new_p, fmri, old->sc_pgroup_name, 1);