[#ASN1_SCTX_set_app_data]
= ASN1&lowbar;SCTX&lowbar;set&lowbar;app&lowbar;data
:mrdocs:

Store an application pointer on an ASN&period;1 scan context for use by the scan callback&period;

== Synopsis

Declared in `&lt;openssl&sol;asn1&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
ASN1&lowbar;SCTX&lowbar;set&lowbar;app&lowbar;data(
    xref:ASN1_SCTX.adoc[ASN1&lowbar;SCTX]* p,
    void* data);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p*
| Scan context to update&period;
| *data*
| Opaque pointer retrieved later with ASN1&lowbar;SCTX&lowbar;get&lowbar;app&lowbar;data()&period;
|===


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