Set the position indicator to the relative specified offset from the base position indicated by the specified way and return the resulting absolute position on success or pos_type(‐1) on failure. Optionally specify which area of the stream buffer. The seek operation will fail if which does not include the flag bsl::ios_base::out or if the resulting absolute position is less than zero or greater then length().

Synopsis

Declared in <bdlsb_memoutstreambuf.h>

virtual
pos_type
seekoff(
    off_type offset,
    std::ios_base::seekdir way,
    std::ios_base::openmode which = bsl::ios_base::in
                                                         | bsl::ios_base::out) override;

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