[#PROFESSION_INFO_get0_registrationNumber]
= PROFESSION_INFO_get0_registrationNumber
:mrdocs:

Return the registration number from a PROFESSION_INFO without duplicating it.

== Synopsis

Declared in `<openssl/x509v3.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ASN1_PRINTABLESTRING.adoc[ASN1_PRINTABLESTRING] const*
PROFESSION_INFO_get0_registrationNumber(xref:PROFESSION_INFO.adoc[PROFESSION_INFO] const* pi);
----

== Return Value

Internal PrintableString pointer (do not free), or NULL if absent.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pi*
| Profession info to query.
|===


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