[#BN_CTX_get]
= BN_CTX_get
:mrdocs:

Obtain a temporary BIGNUM from the current BN_CTX frame started by BN_CTX_start().

== Synopsis

Declared in `<openssl/bn.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BIGNUM.adoc[BIGNUM]*
BN_CTX_get(xref:BN_CTX.adoc[BN_CTX]* ctx);
----

== Return Value

Temporary BIGNUM owned by `ctx` (do not free), or NULL on error / after a prior failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Context with an active BN_CTX_start() frame.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#