alloc_mntfs
mntfs *mf2 = alloc_mntfs(&ifs_ops, mo, mp, info, auto_opts, mopts, remopts);
return alloc_mntfs(ops, mo, mp, info, auto_opts, mopts, remopts);
return alloc_mntfs(&efs_ops, (am_opts *) 0, "//nil//", ".", "", "", "");