cpp/io/basic streambuf/pubseekoff

Sets the position indicator of the input and/or output sequence relative to some other 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 relative positioning of the position indicator.

Note
Not all combinations of parameters may be valid, see the derived versions of for details.

Return value
@1@ The return value of

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