#include <stdio.h>
int main(void){
//1
char firstname[20],lastname[20];
printf("Enter your name as \"Firstname,Lastname\":\n");
scanf("%s,%s",firstname,lastname);
printf("hello!\"%20s,%20s\"\n!",lastname,firstname);
//2
printf("请输入名和姓,以空格分隔\n");
char names[30],surname[30];
scanf("%s %s", names,surname);
printf("b:您输入的名和姓是:\"%20s,%20s\"\n",names,surname);
return 0;
}
1输入 a,b 输出结果是 " ,a,b "
2输入 a b 输出结果是 " a, b"
如果把1里 firstname[20]改成firstname[30]就会出现乱码
我感觉应该是scanf里面的“逗号”导致的,请问字符串类型时,这个“逗号”会储存在哪里?如果是int类型,这个“逗号”为什么又不起作用了呢?
感谢指教。