[#BIO_sock_info]
= BIO_sock_info
:mrdocs:

Query socket metadata into a BIO_sock_info_u union.

== Synopsis

Declared in `<openssl/bio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
BIO_sock_info(
    int sock,
    xref:BIO_sock_info_type.adoc[BIO_sock_info_type] type,
    xref:BIO_sock_info_u.adoc[BIO_sock_info_u]* info);
----

== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sock*
| Connected or bound socket descriptor.
| *type*
| Information type to retrieve (for example BIO_SOCK_INFO_ADDRESS).
| *info*
| Output union; for BIO_SOCK_INFO_ADDRESS, `info‐>addr` receives a BIO_ADDR*.
|===


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