>  JV> LIFO,FIFO... the thing is in a circle. 
> 
> I know you didn't want to say this :) 
> but you always read from the head for a queue.
Actually I did mean it- I've been thinking along the lines of a 
scrolling window looking at a data buffer: foward, backward or 
'round and 'round in a circle. Remember COMIT, the old terminal 
emulator of yesteryear? It had a circular buffer. 
--- ifmail-tx (i386 Linux)
---------------