dl_attach
if (rc = dl_attach(lh, ifunit, NULL)) {
((err = dl_attach(lh, softmac->smac_uppa, NULL)) != 0)) {
if (dl_attach(lh, softmac->smac_uppa + 1 * 1000, NULL) == 0)
(dl_attach(lh, softmac->smac_uppa, NULL) != 0)) {
rc = dl_attach(lh, ppa, &dlea);
extern int dl_attach(struct __ldi_handle *, int, dl_error_ack_t *);