[#btck_block_tree_entry_get_ancestor]
= btck_block_tree_entry_get_ancestor
:mrdocs:

Return the ancestor of a btck_BlockTreeEntry at the given height.

== Synopsis

Declared in `<kernel/bitcoinkernel.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[__nonnull__]]
xref:btck_BlockTreeEntry-0c.adoc[btck_BlockTreeEntry] const*
btck_block_tree_entry_get_ancestor(
    xref:btck_BlockTreeEntry-0c.adoc[btck_BlockTreeEntry] const* block_tree_entry,
    int32_t height);
----

== Return Value

The ancestor at the given height.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *block_tree_entry* [in]
| Non‐null.
| *height* [in]
| The height of the requested ancestor.
|===


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