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

Append the optionally specified character `c` to this streambuf, and return `c`. By default, `traits_type::eof()` is appended.

== Synopsis

Declared in `<bdlbb_blobstreambuf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
int_type
overflow(int_type c = bsl::streambuf::traits_type::eof()) override;
----


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