sa_add_property
ret = sa_add_property(security,
ret = sa_add_property(optionset, prop);
extern int sa_add_property(void *, sa_property_t);
ret = sa_add_property(sec->security,
ret = sa_add_property(sec->security, prop);
ret = sa_add_property(optionset, prop);
ret = sa_add_property(optionset, prop);
err = sa_add_property(opts, prop);
nerr = sa_add_property(opts, prop);