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#2
fengwuhuilu2010-03-21 12:45
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#include<stdio.h>
void main()
{union
{int i[2];
long k;
char c[4];
}r,*s=&r;
s->i[0]=0x39;
s->i[1]=0x38;
printf("%d\n",s->c[0]);
}
这个小程序问什么结果是 9 呢,没有弄明白,哥们帮帮忙!