ldc_set_cb_mode
(void) ldc_set_cb_mode(vport->ldc_handle, LDC_CB_DISABLE);
rv = ldc_set_cb_mode(srvr->ldc_handle, LDC_CB_DISABLE);
(void) ldc_set_cb_mode(vd->ldc_handle, LDC_CB_DISABLE);
rv = ldc_set_cb_mode(ldcp->ldc_handle, LDC_CB_ENABLE);
(void) ldc_set_cb_mode(ldcp->ldc_handle, LDC_CB_DISABLE);
rv = ldc_set_cb_mode(ldcp->ldc_handle, LDC_CB_DISABLE);
rv = ldc_set_cb_mode(ldcp->ldc_handle, LDC_CB_DISABLE);
int ldc_set_cb_mode(ldc_handle_t handle, ldc_cb_mode_t imode);