4.3BSD/usr/src/bin/diff

File	Size	Date
Makefile	486	1983-02-09
diff.c	3162	1986-04-03
diff.h	1982	1985-08-28
diffdir.c	7967	1984-08-28
diffh.c	4217	1986-01-11
diffreg.c	24240	1986-03-29