fig22_24.cpp

是有关C++编程原理教程的例子程序,全,应该对大家有所帮助

// Fig. 22.24: fig22_24.cpp
// Using atol.
#include <iostream>
using std::cout;
using std::endl;

#include <cstdlib> // atol prototype
using std::atol;

int main()
{
   long x = atol( "1000000" ); // convert string to long

   cout << "The string \"1000000\" converted to long is " << x
      << "\nThe converted value divided by 2 is " << x / 2 << endl;
   return 0;
} // end main

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