2.9BSD/usr/src/cmd/diff

File	Size	Date
Makefile	569	1983-06-08
diff.c	3096	1980-10-10
diff.h	1900	1980-10-10
diffdir.c	7722	1981-03-01
diffh.c	4206	1980-10-10
diffreg.c	15400	1982-10-18