摘要： 源自CSDN论坛，自己总结了下问题及答案：http://topic.csdn.net/u/20090909/23/70292691-3cbf-45fa-9b13-c5e6d290400f.html[code=C/C++][/code]#include<stdio.h>int main(){ unsigned int a = 0xfffffff7; unsigned char i = (unsigned char)a; char *b = (char *)&a; printf("%08x,%08x",i,*b);}输出是000000f7和fffffff7； 阅读全文