code: def qcktrc(tracelen=_default_len_out):
      
      tracestr = stypes.stringToCharP(tracelen)
      tracelen = ctypes.c_int(tracelen)
      libspice.qcktrc_c(tracelen, tracestr)
      return stypes.toPythonString(tracestr)
docs: Return a string containing a traceback.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/qcktrc_c.html
  
      :param tracelen: Maximum length of output traceback string.
      :type tracelen: int
      :return: A traceback string.
      :rtype: str