face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo:     448       6    0    0    0     0          0         0      448       6    0    0    0     0       0          0
  eth0: 2781926   22358    0    0    0     0          0         0   224670    1344    0    0    0     0       0          0
  eth1:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0
  sit0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

int var1, var2;

ifstream f;

// connect f stream to io port
f.open(FileCreate(...) ); // this isn't quite right

// now read it
f >> var1 >> var2; // can be longer....

#include <fstream>
#include <sstream>
#include <string>
#include <algorithm>
#include <iterator>
#include <vector>
#include <iostream>
#include <fstream>
#include <map>



using namespace std;
map < string, vector <int> > oNetDevMap;


class LineData
{
    public:
        const   std::string& getName()          const   {return(name);}
        int          getData(int index) const   {return(data[index]);}
        int getDataLength() const {return (data.size());}
        void setName(string ivalue) {name = ivalue;}
        void setData(vector <int> ivalue) { data = ivalue;}
        


    private:
        std::string         name;
        std::vector<int>    data;      
};


vector <LineData> oNetDevList;



int main()
{    
    
    
    ofstream test;
    test.open("test.txt");
    vector<vector<int> > numsInRows; // vector of vectors emulates a 2D array
    string throwAway; // for the text we don't need
    ifstream file("/proc/net/dev"); // try and open the file
    if(file.is_open()) // if it's open
    {
        getline(file, throwAway); // read the first line containing the headers
        getline(file, throwAway); // read the first line containing the headers
        while(file.good()) // while we haven't hit eof or errored
        {
            string line;
            string line2;
            string device;
            
            getline(file, line); // get the rest on the line into the string
            
            line2 = line.substr(line.find(":")+1);
            device = line.substr(0,line.find(":"));
            
           if (line2.length() < 1){ // problem with last line --> he thinks theres another one :/
               break;
           }
            
            
             while (device.find(" ")){   \\ <---- help needed here
                size_t pos = device.find(" "); \\ <---- help needed here
                device.erase(pos,2); \\ <---- help needed here
                
            }
            
            cout << "device = " << device << "\n";
            test << "device = " << device << "\n";
            
            LineData oLineData;
            

            istringstream lineStream(line2); // dump it into a stringstream so we can use istream_iterators on it
            vector<int> lineNums;
            copy(istream_iterator<int>(lineStream), istream_iterator<int>(), back_inserter(lineNums)); // copy the ints into the vector
            
            oLineData.setName(device);
            oLineData.setData(lineNums);
            oNetDevList.push_back(oLineData );
            
        }
    }
    
    for (int i = 0; i < oNetDevList.size(); i ++){
        cout << oNetDevList[i].getName() <<"\n";
        for (int y=0; y < oNetDevList[i].getDataLength(); y++){
            cout <<"y =" <<y <<" " << oNetDevList[i].getData(y) <<"\n";
            
        }
        cout << "----------\n\n";
    }
    
    
    
    
    return 0;
}

           if (line2.length() < 1){ // problem with last line --> he thinks theres another one :/
               break;
           }

    device = line.substr(0,line.find(":"));
                size_t pos = device.find(' ');
                while (pos != string::npos){
                    if (pos != string::npos){
                        cout << "pos = " << (int) pos << "\n";
                        device.erase((int)pos,1);
                        cout << "device =" << device << "\n";
                        
                    }else{
                        cout << "niet gevonden";
                    }
                    pos = device.find(' ');
                }