I'm trying to write a simple program that involves UDP. I was hoping
something like this would work:
module Main where
import Network.Socket
main = withSocketsDo main2
main2 = do
s <- socket AF_INET Datagram defaultProtocol
putStrLn "Waiting..."
x <- recv s 100
putStrLn x
Unfortunately, that doesn't work at all. It immediately throws an
exception ("unknown error"). But then, the whole module seems to be
completely undocumented. I managed to find a tiny amount of info online
about the underlying C API, but I still don't get how the Haskell
interface is supposed to be used. Any hints?
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