sa1606.c

来自「学习C语言必备的好书」· C语言 代码 · 共 30 行

#include <stdio.h>

#define WRONG(A) A*A*A          /* 错误的宏定义   */
#define CUBE(A) (A)*(A)*(A)     /* 正确的宏定义 */
#define SQUR(A) (A)*(A)         /* 正确的宏定义*/
#define ADD_WRONG(A) (A)+(A)    /* 错误的宏定义*/
#define ADD_RIGHT(A) ((A)+(A))  /* 正确的宏定义*/
#define START 1
#define STOP  7

void main()
{
   int i,offset;

   offset = 5;
   for (i = START;i <= STOP;i++) 
   {
      printf("The square of %3d is %4d, and its cube is %6d\n",
              i+offset,SQUR(i+offset),CUBE(i+offset));/*打印出正确的结果*/
      printf("The wrong of %3d is %6d\n",i+offset,WRONG(i+offset));/*打印出错的结果*/
   }
   getch();

   printf("\n加法宏定义  \n");
   for (i = START;i <= STOP;i++) 
   {
      printf("错误的加法宏定义= %6d,  正确= %6d\n",5*ADD_WRONG(i),5*ADD_RIGHT(i));
   }
}