Setting DTR

[Philipp G�hring]

Hi!

How can I set the DTR line of the serial port with Linux?
For example /dev/ttyS1.
I already searched through the Documentation, but I could only find
some functions in the kernel, which want a structure called 
"async_struct"

Many greetings,
--
~ Philipp G�hring              [EMAIL PROTECTED]
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