[#BloombergLP-bdlsb-OverflowMemOutput-overflowBufferSize]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlsb.adoc[bdlsb]::xref:BloombergLP/bdlsb/OverflowMemOutput.adoc[OverflowMemOutput]::overflowBufferSize
:relfileprefix: ../../../
:mrdocs:

Return the size of the overflow buffer, or 0 if there is no overflow buffer&period;

== Synopsis

Declared in `&lt;bdlsb&lowbar;overflowmemoutput&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size&lowbar;t
overflowBufferSize() const;
----


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