[#BIO_get_data]
= BIO_get_data
:mrdocs:

Return the implementation‐specific pointer stored on a BIO.

== Synopsis

Declared in `<openssl/bio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void*
BIO_get_data(xref:BIO.adoc[BIO]* a);
----

== Return Value

Opaque pointer previously set with BIO_set_data(), or NULL.

== Parameters

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


[.small]#Created with https://www.mrdocs.com[MrDocs]#