[user02@FC4 Lesson08]$ cat -n switch.c

   1  #include <stdio.h>
   2
   3  int main(void)
   4  {
   5     char grade = 'B';
   6
   7     switch (grade) {
   8        case 'A': printf("Congratulations on your A\n");
   9                  break;
  10        case 'B': printf("Not bad, a B is ok\n");
  11                  break;
  12        case 'C': printf("C's are only average\n");
  13                  break;
  14        case 'D': printf("D's are terrible\n");
  15                  break;
  16        default: printf("No excuses! Study harder!\n");
  17                 break;
  18     }
  19
  20     return 0;
  21  }

[user02@FC4 Lesson08]$ gcc -o switch switch.c
[user02@FC4 Lesson08]$ ./switch
Not bad, a B is ok
[user02@FC4 Lesson08]$