fig18_23.cpp

《c＋＋大学教程》源码

// Fig. 18.23: fig18_23.cpp
// Using atol.
#include <iostream>

using std::cout;
using std::endl;

#include <cstdlib>  // atol prototype

int main()
{
   long x = atol( "1000000" );

   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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