[#ASN1_SCTX_new]
= ASN1_SCTX_new
:mrdocs:

Allocate an ASN.1 scan context with the given per‐field scan callback.

== Synopsis

Declared in `<openssl/asn1.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ASN1_SCTX.adoc[ASN1_SCTX]*
ASN1_SCTX_new(int(* scan_cb)(xref:ASN1_SCTX.adoc[ASN1_SCTX]*));
----

== Return Value

New ASN1_SCTX, or NULL on allocation failure; free with ASN1_SCTX_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *scan_cb*
| Callback invoked while scanning ASN.1 templates, or NULL.
|===


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