sub um_fs { &ufsmount_u. &fs;}
sub um_lfs { &ufsmount_u. &lfs;}
sub QTF_OPENING {0x01;}
sub QTF_CLOSING {0x02;}
sub VFSTOUFS {
    local($mp) = @_;
    eval "((($mp)-> &mnt_data))";
}
sub blkptrtodb {
    local($ump, $b) = @_;
    eval "(($b) << ($ump)-> &um_bptrtodb)";
}
sub is_sequential {
    local($ump, $a, $b) = @_;
    eval "(($b) == ($a) + $ump-> &um_seqinc)";
}
sub MNINDIR {
    local($ump) = @_;
    eval "(($ump)-> &um_nindir)";
}
1;