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()) != ' ') 14 { 15 i++; 16 } 17 str[i] = ' '; 18 19 int index = -1; 20 for (i = 0; str[i] != ' '; i++) 21 { 22 if (str[i] == ch) 23 { 24 index = i; 25 } 26 } 27 28 if (index == -1) 29 { 30 printf("Not Found "); 31 } 32 else 33 { 34 printf("index = %d ", index); 35 } 36 37 return 0; 38 }