[#BIO_get_shutdown]
= BIO&lowbar;get&lowbar;shutdown
:mrdocs:

Return whether BIO&lowbar;free() will close the underlying I&sol;O resource&period;

== Synopsis

Declared in `&lt;openssl&sol;bio&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
BIO&lowbar;get&lowbar;shutdown(xref:BIO.adoc[BIO]* a);
----

== Return Value

Non&hyphen;zero if the underlying descriptor&sol;handle is closed on free&semi; 0 otherwise&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| BIO to query&period;
|===


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