[#BN_CTX_start]
= BN&lowbar;CTX&lowbar;start
:mrdocs:

Begin a temporary BIGNUM frame on a BN&lowbar;CTX&period;

== Synopsis

Declared in `&lt;openssl&sol;bn&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
BN&lowbar;CTX&lowbar;start(xref:BN_CTX.adoc[BN&lowbar;CTX]* ctx);
----

== Description

Pair with BN&lowbar;CTX&lowbar;end()&period; BIGNUMs obtained via BN&lowbar;CTX&lowbar;get() after start are released (not freed) when the matching end is called&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Context whose allocation frame is pushed&period;
|===


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