[#bsl-basic_stringbuf-seekoff-00]
= xref:bsl.adoc[bsl]::xref:bsl/basic_stringbuf.adoc[basic_stringbuf]::seekoff
:relfileprefix: ../../
:mrdocs:

`seekoff` overloads

== Synopses

Declared in `<bslstl_stringbuf.h>`

Alters the stream positions.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
pos_type
xref:bsl/basic_stringbuf/seekoff-04.adoc[seekoff](
    off_type,
    ios_base::seekdir,
    ios_base::openmode = ios_base::in | ios_base::out);
----

[.small]#xref:bsl/basic_stringbuf/seekoff-04.adoc[_» more..._]#

Set the current input and/or output position relative to `whence`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
xref:bsl/basic_stringbuf/pos_type.adoc[basic_stringbuf<CHAR_TYPE, CHAR_TRAITS, ALLOCATOR>::pos_type]
xref:bsl/basic_stringbuf/seekoff-07.adoc[seekoff](
    xref:bsl/basic_stringbuf/off_type.adoc[off_type] offset,
    std::ios_base::seekdir whence,
    std::ios_base::openmode modeBitMask = ios_base::in | ios_base::out);
----

[.small]#xref:bsl/basic_stringbuf/seekoff-07.adoc[_» more..._]#

== Return Value

offset of the new position, or `pos_type(off_type(‐1))` on failure

== Parameters

[cols="1,4"]
|===
| Name| Description
| *offset*
| position offset relative to `whence`
| *whence*
| base position for the seek (`beg`, `cur`, or `end`)
| *modeBitMask*
| whether to adjust the input position, output position, or both
|===


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