11_10.cpp

《C++语言程序设计（第2版）》例题程序

#include <fstream.h>
void main()
{
    char ch;
    ifstream tfile("payroll",ios::binary | ios::nocreate);
    if (tfile) 
    {
         while (tfile.good()) 
         {
             streampos here = tfile.tellg();
             tfile.get(ch);
             if (ch==' ')
                  cout << "\nPosition " << here << " is a space";
         }
    }
    else 
    {
         cout << "ERROR: Cannot open file 'payroll'." << endl;
    }
}