dsl_prop_get_hasrecvd
if (!dsl_prop_get_hasrecvd(dsname))
dsl_prop_getflags_t flags = (dsl_prop_get_hasrecvd(dsname) ?
boolean_t dsl_prop_get_hasrecvd(const char *dsname);
if (!dsl_prop_get_hasrecvd(zc->zc_name))
(dsl_prop_get_hasrecvd(dsname) ? ZPROP_SRC_RECEIVED : 0));
!dsl_prop_get_hasrecvd(tofs))