ndmp_door_encode_finish
if ((enc_status = ndmp_door_encode_finish(enc_ctx, &used)) != 0)
(void) ndmp_door_encode_finish(enc_ctx, &used);
(void) ndmp_door_encode_finish(enc_ctx, &used);
if ((ndmp_door_encode_finish(enc_ctx, &used)) != 0) {
extern int ndmp_door_encode_finish(ndmp_door_ctx_t *, unsigned int *);