[#BIO_s_null]
= BIO_s_null
:mrdocs:

Return the BIO_METHOD for a null source/sink that discards writes and returns EOF on reads.

== Synopsis

Declared in `<openssl/bio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BIO_METHOD.adoc[BIO_METHOD] const*
BIO_s_null();
----

== Return Value

Pointer to the static null BIO method for use with BIO_new().


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