[#OPENSSL_sk_num]
= OPENSSL_sk_num
:mrdocs:

Return the number of elements in a stack.

== Synopsis

Declared in `<openssl/stack.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OPENSSL_sk_num(xref:OPENSSL_STACK.adoc[OPENSSL_STACK] const* st);
----

== Return Value

Element count, or 0 if `st` is NULL.

== Parameters

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


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