挟制转换

2013-09-14

强制转换unsigned int x,ychar zx0x80000001y*(unsigned int*)xz*(char*)x假设0x80000001有效可访

强制转换
  unsigned int x,y;
  char z;
  x=0x80000001;
  y=*(unsigned int*)x;
  z=*(char*)x;

假设0x80000001有效可访问，上面代码有问题吗
[解决办法]
unsigned int x,y;
  char z;
  x=0x8001;
  y=*(unsigned int*)&x;
  z=*(char*)&x;