The -h prints out the help menu.

The -o origin option specifies a origin to be used when interpreting the record.

The -p prints out the resulting record in canonical form. If there is no canonical form defined then the record will be printed in unknown record format.

The -u prints out the resulting record in unknown record form.

The -C, -T and -P print out the known class, standard type and private type mnemonics respectively.