code: def channel_in_frame(channel, framefile):
      
      channel = str(channel)
      for name in iter_channel_names(framefile):
          if channel == name:
              return True
      return False
docs: Determine whether a channel is stored in this framefile
  
      **Requires:** |LDAStools.frameCPP|_
  
      Parameters
      ----------
      channel : `str`
          name of channel to find
  
      framefile : `str`
          path of GWF file to test
  
      Returns
      -------
      inframe : `bool`
          whether this channel is included in the table of contents for
          the given framefile