#include <fstream.h>
ofstream logfile("writing.txt",ios::app);
if(logfile)
{
   logfile << "hello " << me->name<<"\n";
}
logfile.close();

#include <fstream.h>
ifstream cfgfile;
char line[256];
cfgfile.open("reading.txt");
while(cfgfile.getline(line,255))
{
   //Do your thang here.  Each line is progessively recorded into char line[256]
}
cfgfile.close();