nfs4lookup_setup
(void) nfs4lookup_setup(tmp_path, &lookuparg, 0);
(void) nfs4lookup_setup(path, &lookuparg, 1);
llndx = nfs4lookup_setup(svp->sv_path, &lookuparg, 0);
extern int nfs4lookup_setup(char *, lookup4_param_t *, int);