simnet_dev_lookup
if ((sdev_tmp = simnet_dev_lookup(create_arg->sic_link_id)) != NULL) {
if ((sdev = simnet_dev_lookup(modify_arg->sim_link_id)) == NULL) {
sdev_peer = simnet_dev_lookup(modify_arg->sim_peer_link_id);
if ((sdev = simnet_dev_lookup(delete_arg->sid_link_id)) == NULL) {
((sdev_peer = simnet_dev_lookup(peerid)) != NULL)) {
if ((sdev = simnet_dev_lookup(info_arg->sii_link_id)) == NULL) {