[#BIO_bind]
= BIO_bind
:mrdocs:

Bind socket `sock` to `addr,` applying BIO_SOCK_* `options.`

== Synopsis

Declared in `<openssl/bio.h>`

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

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sock*
| Socket file descriptor.
| *addr*
| Local address to bind.
| *options*
| Bitmask of BIO_SOCK_* flags (for example BIO_SOCK_REUSEADDR).
|===


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