Description Usage Arguments Details Examples
Get the largest key less than or equal to a given key
1 |
tree |
A |
key |
The key to use in comparisons |
... |
Other arguments (not used) |
If the key exists in the tree, then it is returned. If the key is
smaller than the smallest key in the tree, then NULL
is returned.
Otherwise, the largest key that is smaller than the given key is returned.
1 2 3 4 5 |
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