[#BN_options]
= BN_options
:mrdocs:

Return a short string describing compiled BIGNUM word size / options.

== Synopsis

Declared in `<openssl/bn.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
char*
BN_options();
----

== Return Value

Static NUL‐terminated options string (for example "bn(64,64)").


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