[#BN_is_negative]
= BN&lowbar;is&lowbar;negative
:mrdocs:

BN&lowbar;is&lowbar;negative returns 1 if the BIGNUM is negative

== Synopsis

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

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

== Return Value

1 if a &lt; 0 and 0 otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *b*
| pointer to the BIGNUM object
|===


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