write to then read from the serial port

[abdelkader belahcene <abelahcene@gmail.com>]

Hi,
Please I just need a small program which write a character ( or
several) then read it from that serial port.
I used a null modem ( since I have just on serial port device).

I want a simple serial connection. I consulted Howto on tdlp and other
, nothing is simple for me, ??  I can write on the port but not read
!!


Thanks a lot
regards