smbfslookup
static int smbfslookup(vnode_t *dvp, char *nm, vnode_t **vpp, cred_t *cr,
error = smbfslookup(dvp, nm, vpp, cr, 1, ct);
error = smbfslookup(dvp, nm, &vp, cr, 0, ct);
error = smbfslookup(dvp, nm, &vp, cr, 0, ct);
error = smbfslookup(odvp, onm, &ovp, cr, 0, ct);
error = smbfslookup(ndvp, nnm, &nvp, scred->scr_cred, 0, NULL);
error = smbfslookup(dvp, nm, &vp, cr, 0, ct);
error = smbfslookup(vp, dp->d_name, &newvp, cr, 1, ct);