[#btck-write_bytes]
= xref:btck.adoc[btck]::write_bytes
:relfileprefix: ../
:mrdocs:

Serializes a C object into a byte vector using its `to_bytes` callback.

== Synopsis

Declared in `<kernel/bitcoinkernel_wrapper.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
std::vector<std::byte>
write_bytes(
    T const* object,
    int(* to_bytes)(T const*, xref:btck_WriteBytes.adoc[btck_WriteBytes], void*));
----

== Return Value

The serialized bytes.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *object*
| The C object to serialize.
| *to_bytes*
| The `btck_*_to_bytes` function that streams the object's bytes.
|===


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