[#OSSL_PARAM_modified]
= OSSL&lowbar;PARAM&lowbar;modified
:mrdocs:

Test whether an OSSL&lowbar;PARAM was written (modified) by a set&sol;get operation&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL&lowbar;PARAM&lowbar;modified(xref:OSSL_PARAM.adoc[OSSL&lowbar;PARAM] const* p);
----

== Return Value

1 if the modified flag is set, or 0 otherwise&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p*
| Parameter to query, or NULL&period;
|===


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