On Sun, 4 Nov 2018, Tage Johansson wrote:

> How ever, I still don't understand how to use the "poll" function. What
> arguments should I give and what does it actually?

See here:

https://www.techrepublic.com/article/using-the-select-and-poll-methods/

You may disregard the note about Linux 2.4 support. This is not relevant 
these days.


Nicolas
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