[#OSSL_provider_init]
= OSSL_provider_init
:mrdocs:

Exported provider entry point; each provider module must define this symbol.

== Synopsis

Declared in `<openssl/core.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
extern
int
OSSL_provider_init(
    xref:OSSL_CORE_HANDLE.adoc[OSSL_CORE_HANDLE] const* handle,
    xref:OSSL_DISPATCH.adoc[OSSL_DISPATCH] const* in,
    xref:OSSL_DISPATCH.adoc[OSSL_DISPATCH] const** out,
    void** provctx);
----

== Description

OpenSSL loads the provider by resolving this function and calling it with the core dispatch tables described by OSSL_provider_init_fn.

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *handle*
| Core handle for this provider instance.
| *in*
| Dispatch table of functions the core offers the provider.
| *out*
| Receives the provider's dispatch table of exported functions.
| *provctx*
| Receives an optional provider‐side context pointer.
|===


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