[#BIO_set_flags]
= BIO_set_flags
:mrdocs:

Set the given flag bits on a BIO (bitwise OR into the BIO's flags).

== Synopsis

Declared in `<openssl/bio.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
BIO_set_flags(
    xref:BIO.adoc[BIO]* b,
    int flags);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *b*
| BIO whose flags are updated.
| *flags*
| Bitmask of BIO_FLAGS_* values to set.
|===


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