[#PEM_read_bio_X509_CRL]
= PEM&lowbar;read&lowbar;bio&lowbar;X509&lowbar;CRL
:mrdocs:

Read an X&period;509 CRL from a PEM&hyphen;encoded BIO&period;

== Synopsis

Declared in `&lt;openssl&sol;pem&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:X509_CRL.adoc[X509&lowbar;CRL]*
PEM&lowbar;read&lowbar;bio&lowbar;X509&lowbar;CRL(
    xref:BIO.adoc[BIO]* bp,
    xref:X509_CRL.adoc[X509&lowbar;CRL]** x,
    xref:pem_password_cb.adoc[pem&lowbar;password&lowbar;cb]* cb,
    void* u);
----

== Return Value

CRL on success, or NULL on failure&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bp*
| BIO to read from&period;
| *x*
| Optional address of an X509&lowbar;CRL pointer to reuse, or NULL&period;
| *cb*
| Password callback for encrypted PEM, or NULL&period;
| *u*
| Application data passed to `cb&period;`
|===


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