[#BN_print]
= BN_print
:mrdocs:

Write the hexadecimal encoding of a BIGNUM to a BIO.

== Synopsis

Declared in `<openssl/bn.h>`

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

== Return Value

1 on success, or 0 on write error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bio*
| Destination BIO.
| *a*
| Value to print; a leading '‐' is written for negative numbers.
|===


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