istream::seekg

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:

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 OverviewInput Stream Classes

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