C语言学习(26)

 1 //输入一个1-7的整数，输出对应的星期名，通过调用指针函数实现
 2 #include<stdio.h>
 3 char name[8][20]={"Illegal day","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"};
 4 char *day_name(int n){
 5     if(n<1 || n>7){
 6         return name[0];
 7     }else{
 8         return name[n];
 9     }
10 }
11 
12 int main(){
13     int day;
14     char *str;
15     printf("请输入日期:\n");    
16     scanf("%d",&day);
17     str=day_name(day);
18     printf("%s\n",str);
19     return 0;
20 }