4.4BSD/usr/src/usr.bin/strings/tags

DO_EVERYTHING	strings.c	/^#define DO_EVERYTHING()		{read_len = -1; head_len /
ISSTR	strings.c	/^#define ISSTR(ch)	(isascii(ch) && (isprint(ch) || /
Mstrings	strings.c	/^main(argc, argv)$/
getch	strings.c	/^getch()$/
usage	strings.c	/^usage()$/