exp09_04.c

《C语言程序设计教程、实验与练习》 源文件下载

#include <stdio.h>

union Ulong
{
 long L;
 unsigned int a;
 char ch;
 };
typedef union Ulong ULONG;

void main()
{
 ULONG d={0xF1FF2F41};

 printf("d.L=%lX\n",d.L);
 printf("d.a=%X\n",d.a);
 printf("d.ch=%c\n",d.ch);
 d.ch+=3;
 printf("d.L=%lX\n",d.L);
 printf("d.a=%X\n",d.a);
 printf("d.ch=%c\n",d.ch);

 }