//*************************************
//func getline:case get num char from buffer
//istream &getline(char *buf, streamsize num);
//*************************************

#include <iostream>
#include <fstream>
using namespace std;

//======================================
int main(){
	char line[255];
	int num;
	cout<<"insert number of char to get from file: ";
	cin>>num;
	ifstream in("marketUser",ios::binary|ios::in);
	if(!in){
		cout<<"Error opening file\n";
		return 1;
	}
	while(in){
		in.getline(line,num);
		cout<<line<<endl;	
	}
	in.close();	
	return 0;
}