[#btck_script_pubkey_to_bytes]
= btck_script_pubkey_to_bytes
:mrdocs:

Serializes the script pubkey through the passed in callback to bytes.

== Synopsis

Declared in `<kernel/bitcoinkernel.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard, __nonnull__]]
int
btck_script_pubkey_to_bytes(
    xref:btck_ScriptPubkey-0e.adoc[btck_ScriptPubkey] const* script_pubkey,
    xref:btck_WriteBytes.adoc[btck_WriteBytes] writer,
    void* user_data);
----

== Return Value

0 on success.

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *script_pubkey* [in]
| Non‐null.
| *writer* [in]
| Non‐null, callback to a write bytes function.
| *user_data* [in]
| Holds a user‐defined opaque structure that will be passed back through the writer callback.
|===


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