cpp/io/basic streambuf/pubseekpos

Sets the position indicator of the input and/or output sequence to an absolute position.

@1@ Calls of the most derived class.

@2@ The base class version of this function has no effect. The derived classes may override this function to allow absolute positioning of the position indicator.

Return value
@1@ The return value of

@2@ The resulting absolute position as defined by the position indicator. The base class version returns.