[#OSSL_LIB_CTX_new_child]
= OSSL_LIB_CTX_new_child
:mrdocs:

Create a child library context mirroring providers from a provider's parent context.

== Synopsis

Declared in `<openssl/crypto.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:OSSL_LIB_CTX.adoc[OSSL_LIB_CTX]*
OSSL_LIB_CTX_new_child(
    xref:OSSL_CORE_HANDLE.adoc[OSSL_CORE_HANDLE] const* handle,
    xref:OSSL_DISPATCH.adoc[OSSL_DISPATCH] const* in);
----

== Return Value

New child OSSL_LIB_CTX, or NULL on failure; free with OSSL_LIB_CTX_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *handle*
| Core handle identifying the provider whose parent libctx is mirrored.
| *in*
| Provider‐to‐core OSSL_DISPATCH table (BIO and related upcalls).
|===


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