}
  }
  return matched;
}

BEGIN {
  var = "[%|#]VAR";
  not_an_arg = "effort flow state internal external zero unknown mtt_e mtt_f";
  not_an_arg = "effort flow state internal external zero unknown\
                mtt_e mtt_f sqrt exp log sign none abs";
  arg_line = "arg = ";
}
{
  ## Explicit VAR declarations
  if (match($1,var)>0) print $2 "\t" system_name;

   ## Implicit declarations from the arg list