[#BIO_new_from_core_bio]
= BIO_new_from_core_bio
:mrdocs:

Wrap a provider OSSL_CORE_BIO in a library BIO_s_core() BIO.

== Synopsis

Declared in `<openssl/bio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BIO.adoc[BIO]*
BIO_new_from_core_bio(
    xref:OSSL_LIB_CTX.adoc[OSSL_LIB_CTX]* libctx,
    xref:OSSL_CORE_BIO.adoc[OSSL_CORE_BIO]* corebio);
----

== Return Value

New core BIO, or NULL on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *libctx*
| Library context for the new BIO, or NULL for the default.
| *corebio*
| Provider core BIO to wrap (ownership rules follow the provider API).
|===


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