[#BIO_accept_ex]
= BIO_accept_ex
:mrdocs:

Accept a connection on `accept_sock,` optionally capturing the peer address.

== Synopsis

Declared in `<openssl/bio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
BIO_accept_ex(
    int accept_sock,
    xref:BIO_ADDR.adoc[BIO_ADDR]* addr,
    int options);
----

== Return Value

Accepted socket fd on success, or ‐1 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *accept_sock*
| Listening socket.
| *addr*
| Optional BIO_ADDR filled with the peer address, or NULL.
| *options*
| BIO_SOCK_* flags applied to the accepted socket (for example non‐blocking).
|===


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