seekg ( ) function in c++

#include
#include
#include
ifstream in_file; // Input file pointer.
ofstream scrn; // Screen pointer.
ofstream prnt; // Printer pointer.
void main()
{
char in_char;
in_file.open(“MYFILE.TXT”, ios::in);
if (!in_file)
{
cout << “\n*** Error opening MYFILE.TXT ***\n”;
exit(0);
}
scrn.open(“CON”, ios::out); // Open screen device.
while (in_file.get(in_char))
{ scrn << in_char; } // Output characters to the screen.
scrn.close(); // Close screen because it is no
// longer needed.
in_file.seekg(0L, SEEK_SET); // Reposition file pointer.
prnt.open(“LPT1”, ios::out); // Open printer device.
while (in_file.get(in_char))
{ prnt << in_char; } // Output characters to the
// printer.
prnt.close(); // Always close all open files.
in_file.close();
return;
}