[#SSL_client_hello_get0_legacy_version]
= SSL_client_hello_get0_legacy_version
:mrdocs:

Return the legacy_version field from the ClientHello being processed.

== Synopsis

Declared in `<openssl/ssl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
unsigned int
SSL_client_hello_get0_legacy_version(xref:SSL.adoc[SSL]* s);
----

== Return Value

Protocol version from the ClientHello legacy_version field, or 0 if unavailable.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| Server SSL connection inside a ClientHello callback (or with a parsed ClientHello).
|===


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