NM_FILEVP_HASH
bucket = NM_FILEVP_HASH(nodep->nm_filevp);
for (npp = NM_FILEVP_HASH(nodep->nm_filevp); (np = *npp) != NULL;
for (np = *NM_FILEVP_HASH(vp); np != NULL; np = np->nm_nextp)
for (np = *NM_FILEVP_HASH(vp); np != NULL; np = np->nm_nextp) {
nodep = *NM_FILEVP_HASH(vp);
nodep = *NM_FILEVP_HASH(vp);