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C++

seekg()


The function seekg() is used with input streams, and it repositions the "get" pointer for the current stream to offset bytes away from origin, or places the "get" pointer at position.

Syntax:
istream &seekg( off_type offset, ios::seekdir origin );
  istream &seekg( pos_type position );


Example:

#include 
#include 
using namespace std;

int main () {
	  streampos begin,end;
	  ifstream myfile ("example.bin", ios::binary);
	  begin = myfile.tellg();
	  myfile.seekg (0, ios::end);
	  end = myfile.tellg();
  	 myfile.close();
 	 cout << "size is: " << (end-begin) << " bytes.\n";
 	 return 0;
}


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