[#SSL_copy_session_id]
= SSL_copy_session_id
:mrdocs:

Copy the session, method, certificate, and session‐id context from one SSL object to another.

== Synopsis

Declared in `<openssl/ssl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
SSL_copy_session_id(
    xref:SSL.adoc[SSL]* to,
    xref:SSL.adoc[SSL] const* from);
----

== Return Value

1 on success, or 0 on failure (including when either object is QUIC‐only).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *to*
| Destination SSL connection that receives the copied state.
| *from*
| Source SSL connection whose session and related state are copied.
|===


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