code: def runtest_issue_10274(language, backend):
      expr = (a - b + c) ** (13)
      tmp = tempfile.mkdtemp()
      f = autowrap(
          expr,
          language,
          backend,
          tempdir=tmp,
          helpers=("helper", a - b + c, (a, b, c)),
      )
      assert f(1, 1, 1) == 1
  
      for file in os.listdir(tmp):
          if not (
              file.startswith("wrapped_code_") and file.endswith(".c")
          ):
              continue
  
          with open(tmp + "/" + file) as fil:
              lines = fil.readlines()
              assert (
                  lines[0]
                  == "/******************************************************************************\n"
              )
              assert (
                  "Code generated with SymPy " + sympy.__version__
                  in lines[1]
              )
              assert lines[2:] == [
                  " *                                                                            *\n",
                  " *              See http://www.sympy.org/ for more information.               *\n",
                  " *                                                                            *\n",
                  " *                      This file is part of 'autowrap'                       *\n",
                  " ******************************************************************************/\n",
                  "#include " + '"' + file[:-1] + 'h"' + "\n",
                  "#include <math.h>\n",
                  "\n",
                  "double helper(double a, double b, double c) {\n",
                  "\n",
                  "   double helper_result;\n",
                  "   helper_result = a - b + c;\n",
                  "   return helper_result;\n",
                  "\n",
                  "}\n",
                  "\n",
                  "double autofunc(double a, double b, double c) {\n",
                  "\n",
                  "   double autofunc_result;\n",
                  "   autofunc_result = pow(helper(a, b, c), 13);\n",
                  "   return autofunc_result;\n",
                  "\n",
                  "}\n",
              ]
  
imports: import sympy
  import tempfile
  import os
  from sympy.core.mod import Mod
  from sympy.core.relational import Eq
  from sympy.core.symbol import symbols
  from sympy.external import import_module
  from sympy.tensor import IndexedBase, Idx
  from sympy.utilities.autowrap import autowrap, ufuncify, CodeWrapError
  from sympy.testing.pytest import skip
label_desc: Use image node_id 7 for calling a global function with example usage: runtest_issue_10274(language, backend) without return types