(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('varname', {[DQ [VarSub 1]]})])
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "const char "][VarSub varname][LIT_CHARS "[] ="]]}  )
  (Pipeline
    (Com {[LIT_CHARS od]} {[LIT_CHARS -t]} {[LIT_CHARS x1]} {[LIT_CHARS -A]} {[LIT_CHARS n]} {[LIT_CHARS -v]}    )
    (Com {[LIT_CHARS sed]} {[LIT_CHARS -e]} {[SQ <LIT_CHARS "s|[ \\t]||g; s|..|\\\\x&|g; s|^|\"|; s|$|\"|">]}    )
  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS ";"]]}  )
)