[#BloombergLP-bdlbb-OutBlobStreamBuf-underflow]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlbb.adoc[bdlbb]::xref:BloombergLP/bdlbb/OutBlobStreamBuf.adoc[OutBlobStreamBuf]::underflow
:relfileprefix: ../../../
:mrdocs:

Return `traits&lowbar;type&colon;&colon;eof()` unconditionally&period;

== Synopsis

Declared in `&lt;bdlbb&lowbar;blobstreambuf&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
int&lowbar;type
underflow() override;
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#
