tty_key
struct tty_key *key_tree;
struct tty_key;
static void tty_keys_add1(struct tty_key **, const char *, key_code);
static void tty_keys_free1(struct tty_key *);
static struct tty_key *tty_keys_find1(struct tty_key *, const char *, size_t,
struct tty_key *tk;
static struct tty_key *tty_keys_find(struct tty *, const char *, size_t,
tty_keys_add1(struct tty_key **tkp, const char *s, key_code key)
struct tty_key *tk;
tty_keys_free1(struct tty_key *tk)
static struct tty_key *
static struct tty_key *
tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
struct tty_key *tk, *tk1;
struct tty_key *left;
struct tty_key *right;
struct tty_key *next;