int (*key_cmp)(const struct iam_leaf *l, const struct iam_key *k);
int (*key_eq)(const struct iam_leaf *l, const struct iam_key *k);
+ int (*rec_eq)(const struct iam_leaf *l, const struct iam_rec *r);
+
int (*key_size)(const struct iam_leaf *l);
/*
* Search leaf @l for a record with key @k or for a place