free_rpcent
TEST_DATA_INIT(rpcent, &td, clone_rpcent, free_rpcent);
TEST_DATA_INIT(rpcent, &td_snap, clone_rpcent, free_rpcent);
TEST_DATA_INIT(rpcent, &td_2pass, clone_rpcent, free_rpcent);
static void free_rpcent(struct rpcent *);