$ wget -nv http://home.fhtw-berlin.de/~s0502837/ixp425/ixp425_eth.c
18:46:55 URL:http://home.fhtw-berlin.de/%7Es0502837/ixp425/ixp425_eth.c [76540/76540] -> "ixp425_eth.c" [1]
$
$ wget -qO -  http://home.fhtw-berlin.de/~s0502837/ixp425/ethhdr.patch | patch -p1 --dry-run
patching file ixp425_eth.c
Hunk #1 succeeded at 1361 (offset 54 lines).
Hunk #2 FAILED at 1403.
1 out of 2 hunks FAILED -- saving rejects to file ixp425_eth.c.rej
$