[#BN_is_negative]
= BN_is_negative
:mrdocs:

BN_is_negative returns 1 if the BIGNUM is negative

== Synopsis

Declared in `<openssl/bn.h>`

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

== Return Value

1 if a < 0 and 0 otherwise

== Parameters

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


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