code: def shellc(ndim, lenvals, array):
      array = stypes.listToCharArray(array, xLen=lenvals, yLen=ndim)
      ndim = ctypes.c_int(ndim)
      lenvals = ctypes.c_int(lenvals)
      libspice.shellc_c(ndim, lenvals, ctypes.byref(array))
      return stypes.cVectorToPython(array)