kernel source: /usr/src/sys/libkern/memcchr.c
a200de772658559da4a1217004b8469d
extracted       82 lines (memcchr.c:36-117) -> memcchr_body.c
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/sys/libkern/memcchr.c
|+++ b/sys/libkern/memcchr.c
--------------------------
Patching file sys/libkern/memcchr.c using Plan A...
Hunk #1 succeeded at 74.
done
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- a/sys/libkern/memcchr.c
|+++ b/sys/libkern/memcchr.c
--------------------------
Patching file sys/libkern/memcchr.c using Plan A...
Hunk #1 succeeded at 74.
done
build OK