字面量被视为指向该字符串存储位置的指针

#include<stdio.h>
int main()
{


    printf("%s", "how");//输出how
    printf("%p", "how");//输出h的地址
    printf("%c", *"how");//输出h
    printf("%c", *("how" + 1));//输出o
    while (1);
    return 0;
}