[#OPENSSL_sk_num]
= OPENSSL&lowbar;sk&lowbar;num
:mrdocs:

Return the number of elements in a stack&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OPENSSL&lowbar;sk&lowbar;num(xref:OPENSSL_STACK.adoc[OPENSSL&lowbar;STACK] const* st);
----

== Return Value

Element count, or 0 if `st` is NULL&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *st*
| Stack to query&period;
|===


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