fsck_msdos(8) on macOS
The text c4ab1d716f9e, as Mac OS X 10.2.8.G5, Mac OS X 10.2.8, Mac OS X 10.2.7, Mac OS X 10.2.6, Mac OS X 10.2.5, Mac OS X 10.2.4, Mac OS X 10.2.3, Mac OS X 10.2.2, Mac OS X 10.2.1, Mac OS X 10.2 shipped it.
DOS/Windows (FAT) filesystem consistency checker
Flags it lists
-
-f -
-n -
-p -
-q -
-y