[#ERR_set_mark]
= ERR&lowbar;set&lowbar;mark
:mrdocs:

Place a mark on the current topmost error&hyphen;queue entry&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
ERR&lowbar;set&lowbar;mark();
----

== Return Value

1 if a mark was placed, or 0 if the queue is empty&period;


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