练习7-10 查找指定字符

 1 #include<stdio.h>
 2 
 3 int main(void)
 4 {
 5     int i;
 6     char str[80];
 7     char ch, temp;
 8 
 9     ch = getchar();        //需要查找的字符
10     temp = getchar();    //第一行回车
11 
12     i = 0;
13     while ((str[i] = getchar()) != ‘\n‘)
14     {
15         i++;
16     }
17     str[i] = ‘\0‘;
18 
19     int index = -1;
20     for (i = 0; str[i] != ‘\0‘; i++)
21     {
22         if (str[i] == ch)
23         {
24             index = i;
25         }
26     }
27 
28     if (index == -1)
29     {
30         printf("Not Found\n");
31     }
32     else
33     {
34         printf("index = %d\n", index);
35     }
36 
37     return 0;
38 }