[#PEM_X509_INFO_read_bio]
= PEM_X509_INFO_read_bio
:mrdocs:

Read successive PEM objects from a BIO into a stack of X509_INFO.

== Synopsis

Declared in `<openssl/pem.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:stack_st_X509_INFO.adoc[stack_st_X509_INFO]*
PEM_X509_INFO_read_bio(
    xref:BIO.adoc[BIO]* bp,
    xref:stack_st_X509_INFO.adoc[stack_st_X509_INFO]* sk,
    xref:pem_password_cb.adoc[pem_password_cb]* cb,
    void* u);
----

== Return Value

Stack of X509_INFO (certificate, CRL, and/or key groups), or NULL on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bp*
| BIO to read from.
| *sk*
| Existing stack to append to, or NULL to allocate a new stack.
| *cb*
| Password callback for encrypted private keys, or NULL.
| *u*
| Application data passed to `cb.`
|===


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