[#BloombergLP-bdlbb-InBlobStreamBuf-seekpos]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlbb.adoc[bdlbb]::xref:BloombergLP/bdlbb/InBlobStreamBuf.adoc[InBlobStreamBuf]::seekpos
:relfileprefix: ../../../
:mrdocs:

Set the I/O position for the specified open mode.

== Synopsis

Declared in `<bdlbb_blobstreambuf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
pos_type
seekpos(
    pos_type position,
    std::ios_base::openmode which = bsl::ios_base::in | bsl::ios_base::out) override;
----

== Description

Set the location from which the next I/O operation indicated by the optionally specified `which` mode will occur to the specified `position`. Return `position` on success, and `off_type(‐1)` otherwise. Note that this method will fail if `bsl::ios_base::out` is set.

== Return Value

`position` on success, and `off_type(‐1)` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *position*
| absolute position to seek to
| *which*
| open mode indicating which position to set
|===


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