C语言从键盘输入一16进制无符号整数将该数的第二个字节（从低字节到高字节）清零后按16进制格式输出？

Question

如题所述

Answer 1

#include<stdio.h>

void main() { unsigned int x,y; unsigned char *p;

scanf("%x",&x); y=x; p=(unsigned char *)&y; p++; *p=0; printf("%x\n",y);

}