Gets the tree node corresponding to the given key. Since a
automatically balanced as key/value pairs are added, key lookup
is O(log n) (where n is the number of key/value pairs in the tree).
Available since: 2.68
The key to look up.
The argument can be
The data is owned by the caller of the function.
The tree node corresponding to
the key, or
NULL if the key was not found.
|The data is owned by the instance.|
|The return value can be |