nfsrpc_setclient
(void)nfsrpc_setclient(nmp, clp, 0, cred, p);
error = nfsrpc_setclient(nmp, clp, 1, cred, p);
error = nfsrpc_setclient(nmp, clp, 0, cred, p);
error = nfsrpc_setclient(nmp, clp, 0, cred, p);
int nfsrpc_setclient(struct nfsmount *, struct nfsclclient *, int,