nfs_connect
while ((error = nfs_connect(nmp, rep, &lwp0)) != 0) {
int nfs_connect(struct nfsmount *, struct nfsreq *, struct lwp *);
while (nfs_connect(nmp, (struct nfsreq *)0, l)) {
(error = nfs_connect(nmp, (struct nfsreq *)0, l)))