nfsrv_comparefh
while (wp && nfsrv_comparefh(&nfsd->nd_fh, &wp->nd_fh)) {
!nfsrv_comparefh(&nfsd->nd_fh, &wp->nd_fh)) {
int nfsrv_comparefh(const nfsrvfh_t *, const nfsrvfh_t *);