[#PEM_write_bio_PUBKEY]
= PEM_write_bio_PUBKEY
:mrdocs:

Write a SubjectPublicKeyInfo public key to a BIO in PEM form.

== Synopsis

Declared in `<openssl/pem.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
PEM_write_bio_PUBKEY(
    xref:BIO.adoc[BIO]* bp,
    xref:EVP_PKEY.adoc[EVP_PKEY] const* x);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bp*
| BIO to write to.
| *x*
| Public key to encode.
|===


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