code: def trcnam(index, namlen=_default_len_out):
      
      index = ctypes.c_int(index)
      name = stypes.stringToCharP(namlen)
      namlen = ctypes.c_int(namlen)
      libspice.trcnam_c(index, namlen, name)
      return stypes.toPythonString(name)
docs: Return the name of the module having the specified position in
      the trace representation. The first module to check in is at
      index 0.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/trcnam_c.html
  
      :param index: The position of the requested module name.
      :type index: int
      :param namlen: Available space in output name string.
      :type namlen: int
      :return: The name at position index in the traceback.
      :rtype: str