Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up a/config.def.h b/config.def.h
|--- a/config.def.h	2021-10-02 14:22:28.034782413 +0100
|+++ b/config.def.h	2021-10-02 14:22:28.044723532 +0100
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 84.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up a/dwm.c b/dwm.c
|--- a/dwm.c	2021-10-02 14:22:28.034782413 +0100
|+++ b/dwm.c	2021-10-02 14:27:54.599845767 +0100
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 183.
Hunk #2 succeeded at 210.
Hunk #3 succeeded at 231.
Hunk #4 succeeded at 1198.
Hunk #5 succeeded at 1237.
Hunk #6 succeeded at 1722.
Hunk #7 succeeded at 2125.
done