[#BN_is_odd]
= BN&lowbar;is&lowbar;odd
:mrdocs:

Test whether a BIGNUM is odd&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
BN&lowbar;is&lowbar;odd(xref:BIGNUM.adoc[BIGNUM] const* a);
----

== Return Value

1 if the least&hyphen;significant bit of `a` is set, or 0 otherwise&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| Value to test&period;
|===


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