fig08_17.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. 8.17: fig08_17.cpp
// Demonstrating the sizeof operator.
#include <iostream>
using std::cout;
using std::endl;

int main()
{
   char c; // variable of type char
   short s; // variable of type short
   int i; // variable of type int
   long l; // variable of type long
   float f; // variable of type float
   double d; // variable of type double
   long double ld; // variable of type long double
   int array[ 20 ]; // array of int
   int *ptr = array; // variable of type int *

   cout << "sizeof c = " << sizeof c 
      << "\tsizeof(char) = " << sizeof( char )
      << "\nsizeof s = " << sizeof s
      << "\tsizeof(short) = " << sizeof( short )
      << "\nsizeof i = " << sizeof i
      << "\tsizeof(int) = " << sizeof( int )
      << "\nsizeof l = " << sizeof l
      << "\tsizeof(long) = " << sizeof( long )
      << "\nsizeof f = " << sizeof f
      << "\tsizeof(float) = " << sizeof( float )
      << "\nsizeof d = " << sizeof d
      << "\tsizeof(double) = " << sizeof( double )
      << "\nsizeof ld = " << sizeof ld
      << "\tsizeof(long double) = " << sizeof( long double )
      << "\nsizeof array = " << sizeof array
      << "\nsizeof ptr = " << sizeof ptr << endl;
   return 0; // indicates successful termination
} // end main

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