[#OSSL_CMP_log_open]
= OSSL&lowbar;CMP&lowbar;log&lowbar;open
:mrdocs:

Open the default CMP logging channel (stderr) if not already open&period;

== Synopsis

Declared in `&lt;openssl&sol;cmp&lowbar;util&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL&lowbar;CMP&lowbar;log&lowbar;open();
----

== Return Value

1 on success, or 0 on error&period;


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