程序代码：

#include"stdio.h"
void main()
{
  char quit='N';
  while(quit=='N')
  {
    printf(" QUIT?\tPress Y or N.\n");
    quit=getchar();
    if(quit=='Y')
      break;
    if(quit=='N')
      {
        printf("Press any key to CONTINUE!\n");
        getch();
      }
  }
}