[#EVP_ENCODE_CTX_copy]
= EVP_ENCODE_CTX_copy
:mrdocs:

Copy a Base64 encode/decode context.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_ENCODE_CTX_copy(
    xref:EVP_ENCODE_CTX.adoc[EVP_ENCODE_CTX]* dctx,
    xref:EVP_ENCODE_CTX.adoc[EVP_ENCODE_CTX] const* sctx);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dctx*
| Destination context (must already be allocated).
| *sctx*
| Source context to copy from.
|===


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