(command.CommandList
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    (command.Simple
      blame_tok: <atf_test_case>
      more_env: []
      words: [{<atf_test_case>} {<basic>}]
      redirects: []
      do_fork: T
    )
    (command.ShFunction
      name_tok: <basic_head>
      name: basic_head
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <atf_set>
              more_env: []
              words: [{<atf_set>} {(DQ <descr>)} {(DQ <'Tests that special devices work'>)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <atf_set>
              more_env: []
              words: [{<atf_set>} {(DQ <require.user>)} {(DQ <root>)}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <basic_body>
      name: basic_body
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <test_mount>
              more_env: []
              words: [{<test_mount>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <umask>
              more_env: []
              words: [{<umask>} {<022>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <atf_check>
              more_env: []
              words: [
                {<atf_check>}
                {<-s>}
                {<eq> <Id.Lit_Colon ':'> <0>}
                {<-o>}
                {<ignore>}
                {<-e>}
                {<ignore>}
                {<'/dev/MAKEDEV'>}
                {<std>}
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <atf_check>
              more_env: []
              words: [
                {<atf_check>}
                {<-s>}
                {<eq> <Id.Lit_Colon ':'> <0>}
                {<-o>}
                {<empty>}
                {<-e>}
                {<empty>}
                {<test>}
                {<-e>}
                {<zero>}
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <atf_check>
              more_env: []
              words: [
                {<atf_check>}
                {<-s>}
                {<eq> <Id.Lit_Colon ':'> <0>}
                {<-o>}
                {<empty>}
                {<-e>}
                {<empty>}
                {<test>}
                {<-e>}
                {<null>}
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [{<echo>} {(DQ <'Reading from the \'zero\' character device'>)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <atf_check>
              more_env: []
              words: [
                {<atf_check>}
                {<-s>}
                {<eq> <Id.Lit_Colon ':'> <0>}
                {<-o>}
                {<ignore>}
                {<-e>}
                {<ignore>}
                {<dd>}
                {<Id.Lit_VarLike 'if='> <zero>}
                {<Id.Lit_VarLike 'of='> <a>}
                {<Id.Lit_VarLike 'bs='> <10k>}
                {<Id.Lit_VarLike 'count='> <1>}
              ]
              redirects: []
              do_fork: T
            )
            (command.AndOr
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                (command.Simple
                  blame_tok: <Id.Lit_LBracket '['>
                  more_env: []
                  words: [
                    {<Id.Lit_LBracket '['>}
                    {
                      (CommandSub
                        left_token: <Id.Left_DollarParen '$('>
                        child: 
                          (command.Pipeline
                            children: [
                              (command.Simple
                                blame_tok: <md5>
                                more_env: []
                                words: [{<md5>} {<a>}]
                                redirects: []
                                do_fork: T
                              )
                              (command.Simple
                                blame_tok: <cut>
                                more_env: []
                                words: [{<cut>} {<-d>} {(SQ <' '>)} {<-f>} {<4>}]
                                redirects: []
                                do_fork: T
                              )
                            ]
                            ops: [<Id.Op_Pipe _>]
                          )
                        right: <Id.Eof_RParen _>
                      )
                    }
                    {<Id.Lit_Equals '='>}
                    {<1276481102f218c981e0324180bafd9f>}
                    {<Id.Lit_RBracket ']'>}
                  ]
                  redirects: []
                  do_fork: T
                )
                (command.Simple
                  blame_tok: <atf_fail>
                  more_env: []
                  words: [{<atf_fail>} {(DQ <'Data read is invalid'>)}]
                  redirects: []
                  do_fork: T
                )
              ]
              ops: [<Id.Op_DPipe _>]
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [{<echo>} {(DQ <'Writing to the \'null\' device'>)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [{<echo>} {<foo>}]
              redirects: [(Redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<null>})]
              do_fork: T
            )
            (command.Simple
              blame_tok: <eval>
              more_env: []
              words: [
                {<eval>}
                {
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <stat>
                        more_env: []
                        words: [{<stat>} {<-s>} {<null>}]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.AndOr
              children: [
                (command.Simple
                  blame_tok: <Id.Lit_LBracket '['>
                  more_env: []
                  words: [
                    {<Id.Lit_LBracket '['>}
                    {(${ Id.VSub_Name st_size)}
                    {<-eq>}
                    {<0>}
                    {<Id.Lit_RBracket ']'>}
                  ]
                  redirects: []
                  do_fork: T
                )
                (command.Simple
                  blame_tok: <atf_fail>
                  more_env: []
                  words: [{<atf_fail>} {(DQ <'Invalid size for device'>)}]
                  redirects: []
                  do_fork: T
                )
              ]
              ops: [<Id.Op_DPipe _>]
            )
            (command.Simple
              blame_tok: <test_unmount>
              more_env: []
              words: [{<test_unmount>}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <atf_init_test_cases>
      name: atf_init_test_cases
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <.>
              more_env: []
              words: [
                {<.>}
                {
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <atf_get_srcdir>
                        more_env: []
                        words: [{<atf_get_srcdir>}]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  ) <'/../h_funcs.subr'>
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <.>
              more_env: []
              words: [
                {<.>}
                {
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <atf_get_srcdir>
                        more_env: []
                        words: [{<atf_get_srcdir>}]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  ) <'/h_funcs.subr'>
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <atf_add_test_case>
              more_env: []
              words: [{<atf_add_test_case>} {<basic>}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
  ]
)