4.4BSD/usr/src/usr.bin/grep/old.ucb.grep/tags

Mold.ucb.grep	old.ucb.grep.c	/^main(argc, argv)$/
advance	old.ucb.grep.c	/^advance(alp, aep)$/
cclass	old.ucb.grep.c	/^cclass(aset, ac, af)$/
compile	old.ucb.grep.c	/^compile(astr)$/
digit	old.ucb.grep.c	/^digit(c)$/
execute	old.ucb.grep.c	/^execute(file)$/
letter	old.ucb.grep.c	/^letter(c)$/
same	old.ucb.grep.c	/^same(a, b)$/
succeed	old.ucb.grep.c	/^succeed(f)$/
uletter	old.ucb.grep.c	/^#define	uletter(c)	(letter(c) || c == '_')$/