new to tn5250 ---help needed!!!!!!!

[tushar m <choockee22@xxxxxxxxx>]

> i have just started working on tn5250 code and do
not have a very clear understanding of it right
now.Actually what i need is that i have to connect to
an AS400 and get the screen data from there..and and
probably write back to the same.i don't need any
> emulation for my work but just need to pick up the
data read from the as400 screen and pass it to some
other application which will format it.
> Now from what i understand ,the code connects to the
as400 and after handling the telnet options and all it
wites data to some display buffer before showing it to
the user screen(emulation ).
> i'm stillnot able to comprehend how the actual
screen data is being stored ( is it stored just line
by line ???)) and what is this format field ??
> from what i understand i need to pick up the data
from the display buffer .
> cud anyone explain how this thing actually works and
where should i take the data i require.
> also the part of format fields and field informtion
that is stored is not very clear to me.How do i remove
these curses dependencies from the code as i have to
port this app on the as400 itself!!!!!!!!!!!
        those are a lot of questions but i hope u'll
answer my queries and help me out.!!
>   
> thanking you.
> tushar mutatkar
> (india--bangalore) 


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