# include <stdio.h>
int main(void)
{
int i,b=0;
char a,str[80];
printf("Input a character:");
a=getchar();
printf("Input a string:");
for(i=0;i<80;i++){
str[i]=getchar();
if(str[i]=='\n')
break;}
for(i=0;i<80;i++){
if(str[i]==a)
b=i;
}
if(b==0)
printf("NotFound");
else
printf("index=%d",b);
return 0;
}求高手找错