[#OSSL_HTTP_exchange]
= OSSL_HTTP_exchange
:mrdocs:

Perform the HTTP exchange and return a BIO of the response body.

== Synopsis

Declared in `<openssl/http.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BIO.adoc[BIO]*
OSSL_HTTP_exchange(
    xref:OSSL_HTTP_REQ_CTX.adoc[OSSL_HTTP_REQ_CTX]* rctx,
    char** redirection_url);
----

== Return Value

Memory BIO containing the response body, or NULL on failure; free with BIO_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *rctx*
| Request context prepared with method, headers, and optional request body.
| *redirection_url*
| Optional receiver for an allocated redirect URL on 3xx, or NULL.
|===


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