[#BloombergLP-bdlsb-FixedMemOutput-length]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlsb.adoc[bdlsb]::xref:BloombergLP/bdlsb/FixedMemOutput.adoc[FixedMemOutput]::length
:relfileprefix: ../../../
:mrdocs:

Return the number of characters from the beginning of the buffer to the current write position.

== Synopsis

Declared in `<bdlsb_fixedmemoutput.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::streamsize
length() const;
----


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