(command.CommandList
  children: [
    (C {<.>} {<'/lib/lsb/init-functions'>})
    (command.Case
      to_match: {(DQ ($ Id.VSub_Number '$1'))}
      arms: [
        (case_arm pat_list:[{<start>}] spids:[48 49 51 -1])
        (case_arm
          pat_list: [{<stop>} {<restart>} {<force-reload>}]
          action: [(command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<0>})]
          spids: [54 59 65 -1]
        )
        (case_arm
          pat_list: [{<Id.Lit_Star '*'>}]
          action: [
            (command.Sentence
              child: 
                (command.Simple
                  words: [
                    {<echo>}
                    {(DQ <'Usage: '> ($ Id.VSub_Number '$0') <' {start|stop|restart|force-reload}'>)}
                  ]
                  redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
            (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
          ]
          spids: [68 69 87 -1]
        )
      ]
    )
    (command.AndOr
      ops: [Id.Op_DAmp]
      children: [
        (C {<Id.Lit_LBracket '['>} {<-x>} {<'/etc/ppp/ip-down.d/0000usepeerdns'>} {<Id.Lit_RBracket ']'>})
        (C {<exec>} {<'/etc/ppp/ip-down.d/0000usepeerdns'>})
      ]
    )
  ]
)