patch(1) on OpenBSD
The text eced09d81d75, as OpenBSD 4.4 shipped it.
apply a diff file to an original
Flags it lists
-
--backup -
--batch -
--check -
--context -
--ed -
--force -
--forward -
--ignore-whitespace -
--normal -
--posix -
--remove-empty-files -
--reverse -
--unified -
--version -
-C -
-E -
-N -
-R -
-b -
-c -
-e -
-f -
-l -
-n -
-t -
-u -
-v