[#bsl-basic_syncbuf-seekpos] = xref:bsl.adoc[bsl]::xref:bsl/basic_syncbuf.adoc[basic_syncbuf]::seekpos :relfileprefix: ../../ :mrdocs: Alters the stream positions. == Synopsis Declared in `<bslstl_syncbuf.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- virtual pos_type seekpos( pos_type, ios_base::openmode = ios_base::in | ios_base::out); ---- == Description Each derived class provides its own appropriate behavior. [NOTE] ==== Base class version does nothing, returns a `pos_type` that represents an invalid stream position. ==== [.small]#Created with https://www.mrdocs.com[MrDocs]#