[#BIO_new_socket]
= BIO_new_socket
:mrdocs:

Wrap an existing socket descriptor in a BIO_s_socket() BIO.

== Synopsis

Declared in `<openssl/bio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BIO.adoc[BIO]*
BIO_new_socket(
    int sock,
    int close_flag);
----

== Return Value

New socket BIO, or NULL on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sock*
| Socket file descriptor.
| *close_flag*
| BIO_CLOSE to close `sock` when the BIO is freed, or BIO_NOCLOSE.
|===


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