[#BloombergLP-bdlbb-OutBlobStreamBuf-reset] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlbb.adoc[bdlbb]::xref:BloombergLP/bdlbb/OutBlobStreamBuf.adoc[OutBlobStreamBuf]::reset :relfileprefix: ../../../ :mrdocs: Reset the put position of this buffer to the first location, available for writing in the underlying `bdlbb::Blob`. Optionally specify a `blob` used to change current underlying `bdlbb::Blob` value for. The behavior is undefined unless `blob` remains valid and externally unmodified for the lifetime of this `streambuf`. == Synopsis Declared in `<bdlbb_blobstreambuf.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- void reset(xref:BloombergLP/bdlbb/Blob.adoc[bdlbb::Blob]* blob = 0); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#