读取一个字母并检查其值

#include <stdio.h> 
int main()
{ 
   char cResponse = '/0'; 
   printf("Enter the letter A: "); 
   scanf("%c", &cResponse); 

   if ( cResponse == 'A' ) 
      printf("/nCorrect response/n"); 
   else 
      printf("/nIncorrect response/n"); 
}