[#BN_get_word]
= BN_get_word
:mrdocs:

Return `a` as a BN_ULONG when it fits in a single word.

== Synopsis

Declared in `<openssl/bn.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
unsigned long
BN_get_word(xref:BIGNUM.adoc[BIGNUM] const* a);
----

== Return Value

The low word value, or (BN_ULONG)‐1 if `a` cannot be represented as one word.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| Big number to convert.
|===


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