C - Feof(stdin)-如何在Windows中显示输入端?

    int x,y,m;
for(;;){
    m=scanf("%d %d",&x,&y);
    if (m!=2 || m==EOF){
        break;
    }
    else{
        printf("/%d/%d/\n",x,y);
    }
}
if (feof ( stdin )){
  printf("End of input\n");
}else if(m!=2){
  printf("There was an error\n");
}
    int x,y,m;
for(;;){
    m=scanf("%d %d",&x,