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#include <stdio.h>
int main(int argc, char *argv[])
{
// 定义一个字符数组，通过scanf函数输入字符串并输出结果
// 通过赋值""这样的方式可以清除字符数组中的垃圾字符，让每一个元素都是\0
char ch[32] = "";
// 数组名就是当前数组的首地址，所以scanf的第二个参数直接传数组名即可
scanf("%s", ch);
printf("ch = %s\n", ch);
return 0;
}