[#BIO_sock_error]
= BIO_sock_error
:mrdocs:

Return the pending socket error for `sock` (clears SO_ERROR).

== Synopsis

Declared in `<openssl/bio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
BIO_sock_error(int sock);
----

== Return Value

Pending errno‐style error code, or 0 if none.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sock*
| Socket file descriptor.
|===


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