anchor.diff:  	Error ->
   	    {stop, {shutdown, Error}}
       end.
  -    
  +
   %%--------------------------------------------------------------------
   %% Function: handle_call/3
   %% Description: Handling call messages
  
positive.code: write_buf(Pid, SftpHandle, BufHandle, PlainBin, FileOpTimeout) ->
      {ok,{_Window,Packet}} = send_window(Pid, FileOpTimeout),
      {ok,B0=#bufinf{plain_text_buf=PTB}}  = call(Pid, {get_bufinf,BufHandle}, FileOpTimeout),
      case do_the_write_buf(Pid, SftpHandle, Packet, FileOpTimeout, 
  			  B0#bufinf{plain_text_buf = <<PTB/binary,PlainBin/binary>>}) of
  	{ok, B} ->
  	    call(Pid, {put_bufinf,BufHandle,B}, FileOpTimeout),
  
negative.code: 	    OldValue = process_flag(trap_exit, true),
  	    link(Pid),
  	    exit(Pid, ssh_sftp_stop_channel),
  	    receive
  		{'EXIT', Pid, normal} ->
  		    ok
  	    after 5000 ->
  		    exit(Pid, kill),
  		    receive
  			{'EXIT', Pid, killed} ->
  			    ok
  		    end
  