Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -u ../slock-orig/config.def.h ./config.def.h
|--- ../slock-orig/config.def.h	2022-04-29 17:07:13.872268452 -0400
|+++ ./config.def.h	2022-04-29 16:44:38.573566776 -0400
--------------------------
No file to patch.  Skipping...
Hunk #1 ignored at 3.
1 out of 1 hunks ignored
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -u ../slock-orig/config.mk ./config.mk
|--- ../slock-orig/config.mk	2022-04-29 17:07:13.872268452 -0400
|+++ ./config.mk	2022-04-29 17:14:49.416921212 -0400
--------------------------
Patching file config.mk using Plan A...
Hunk #1 failed at 10.
1 out of 1 hunks failed
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -u ../slock-orig/slock.c ./slock.c
|--- ../slock-orig/slock.c	2022-04-29 17:07:13.872268452 -0400
|+++ ./slock.c	2022-04-29 17:04:53.424073165 -0400
--------------------------
Patching file slock.c using Plan A...
Hunk #1 succeeded at 1.
Hunk #2 failed at 16.
Hunk #3 failed at 30.
Hunk #4 failed at 58.
Hunk #5 failed at 139.
Hunk #6 failed at 227.
Hunk #7 succeeded at 197 with fuzz 2 (offset -70 lines).
Hunk #8 failed at 208.
Hunk #9 failed at 283.
No such line 284 in input file, ignoring
Hunk #10 failed at 363.
Hunk #11 succeeded at 460 with fuzz 2 (offset -63 lines).
8 out of 11 hunks failed
done