[#SCT_set1_extensions]
= SCT_set1_extensions
:mrdocs:

Set the SCT extensions field by copying `ext.`

== Synopsis

Declared in `<openssl/ct.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
SCT_set1_extensions(
    xref:SCT.adoc[SCT]* sct,
    unsigned char const* ext,
    size_t ext_len);
----

== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sct*
| SCT to update.
| *ext*
| Extension bytes to copy, or NULL when `ext_len` is 0.
| *ext_len*
| Length of `ext` in bytes.
|===


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