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istream::seekg

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istream& seekg( streampos pos );

istream& seekg( streamoff off**, ios::seek_dir** dir );

Parameters

pos

The new position value; streampos is a typedef equivalent to long.

off

The new offset value; streamoff is a typedef equivalent to long.

dir

The seek direction. Must be one of the following enumerators:

  • ios::beg   Seek from the beginning of the stream.

  • ios::cur   Seek from the current position in the stream.

  • ios::end   Seek from the end of the stream.

Remarks

Changes the get pointer for the stream. Not all derived classes of istream need support positioning; it is most often used with file-based streams.

istream Overview |  Input Stream Classes

See Also   istream::tellg, ostream::seekp, ostream::tellp