nd_merge_strarray
if ((ep->ep_num_recips = nd_merge_strarray(nhdl, tmparr1, tn1,
(repsz = nd_merge_strarray(nhdl, tmparr1, n1, tmparr2, n2,
int nd_merge_strarray(nd_hdl_t *, char **, uint_t, char **, uint_t, char ***);