(command.CommandList
  children: [
    (C {(.)} {(/lib/lsb/init-functions)})
    (command.Case
      to_match: {(DQ ($ VSub_Number '$1'))}
      arms: [
        (case_arm pat_list:[{(start)}])
        (case_arm
          pat_list: [{(stop)} {(restart)} {(force-reload)}]
          action: [(command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(0)})]
        )
        (case_arm
          pat_list: [{(Lit_Star '*')}]
          action: [
            (command.Sentence
              child: 
                (command.Simple
                  words: [
                    {(echo)}
                    {(DQ ('Usage: ') ($ VSub_Number '$0') (' {start|stop|restart|force-reload}'))}
                  ]
                  redirects: [(redir.Redir op:<Redir_GreatAnd '>&'> fd:16777215 arg_word:{(2)})]
                )
              terminator: <Op_Semi ';'>
            )
            (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
          ]
        )
      ]
    )
    (command.AndOr
      ops: [Op_DAmp]
      children: [
        (C {(Lit_LBracket '[')} {(-x)} {(/etc/ppp/ip-down.d/0000usepeerdns)} {(Lit_RBracket ']')})
        (C {(exec)} {(/etc/ppp/ip-down.d/0000usepeerdns)})
      ]
    )
  ]
)