[ drwilco@persephone:~/src ] $ patch < udp_wide_broadcast-2.6.patch 
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- linux/include/linux/sysctl.h       2005-08-05 09:04:37.000000000 +0200
|+++ linux/include/linux/sysctl.h       2005-08-10 14:36:56.000000000 +0200
--------------------------
Patching file linux/include/linux/sysctl.h using Plan A...
Hunk #1 failed at 347.
1 out of 1 hunks failed--saving rejects to linux/include/linux/sysctl.h.rej
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- linux/net/ipv4/sysctl_net_ipv4.c   2005-08-05 09:04:37.000000000 +0200
|+++ linux/net/ipv4/sysctl_net_ipv4.c   2005-08-10 14:35:45.000000000 +0200
--------------------------
Patching file linux/net/ipv4/sysctl_net_ipv4.c using Plan A...
Hunk #1 succeeded at 31 with fuzz 2 (offset -18 lines).
Hunk #2 succeeded at 709 with fuzz 2 (offset 7 lines).
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- linux/net/ipv4/udp.c       2005-08-05 09:04:37.000000000 +0200
|+++ linux/net/ipv4/udp.c       2005-08-10 14:40:04.000000000 +0200
--------------------------
Patching file linux/net/ipv4/udp.c using Plan A...
Hunk #1 succeeded at 110 (offset 2 lines).
Hunk #2 succeeded at 296 (offset 2 lines).
done