Plan 9 from Bell Labs’s /usr/web/sources/contrib/yk/lab/ocptap/kern
--rw-rw-r-- yk sys 826 Jun 27 18:16 ocptap.c --rw-rw-r-- yk sys 30701 Nov 17 2024 pci.c --rw-rw-r-- yk sys 30668 Nov 17 2024 pci.c.orig