[#OBJ_length]
= OBJ&lowbar;length
:mrdocs:

Return the length in bytes of an ASN&period;1 object&apos;s encoded OID content&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
size&lowbar;t
OBJ&lowbar;length(xref:ASN1_OBJECT.adoc[ASN1&lowbar;OBJECT] const* obj);
----

== Return Value

Number of content octets in the OID, or 0 if `obj` is NULL or has no data&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *obj*
| Object identifier to query&semi; NULL yields 0&period;
|===


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