(command.CommandList
  children: [
    (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 <'Verifies that pipes 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>}
                {<empty>}
                {<-e>}
                {<empty>}
                {<mknod>}
                {<pipe>}
                {<p>}
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [{<echo>} {(DQ <'Writing to pipe and waiting for response'>)}]
              redirects: []
              do_fork: T
            )
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: <echo>
                  more_env: []
                  words: [{<echo>} {<-n>} {<foo>}]
                  redirects: [(Redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<pipe>})]
                  do_fork: T
                )
              terminator: <Id.Op_Amp _>
            )
            (command.AndOr
              children: [
                (command.Simple
                  blame_tok: <Id.Lit_LBracket '['>
                  more_env: []
                  words: [
                    {<Id.Lit_LBracket '['>}
                    {
                      (DQ 
                        (CommandSub
                          left_token: <Id.Left_DollarParen '$('>
                          child: 
                            (command.Simple
                              blame_tok: <cat>
                              more_env: []
                              words: [{<cat>} {<pipe>}]
                              redirects: []
                              do_fork: T
                            )
                          right: <Id.Eof_RParen _>
                        )
                      )
                    }
                    {<Id.Lit_Equals '='>}
                    {<foo>}
                    {<Id.Lit_RBracket ']'>}
                  ]
                  redirects: []
                  do_fork: T
                )
                (command.Simple
                  blame_tok: <atf_fail>
                  more_env: []
                  words: [{<atf_fail>} {(DQ <'Received data is incorrect'>)}]
                  redirects: []
                  do_fork: T
                )
              ]
              ops: [<Id.Op_DPipe _>]
            )
            (command.Simple
              blame_tok: <test_unmount>
              more_env: []
              words: [{<test_unmount>}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <atf_init_test_cases>
      name: atf_init_test_cases
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <.>
              more_env: []
              words: [
                {<.>}
                {
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    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 '}'>
        )
    )
  ]
)