本报讯:2月3日,外交部发言人毛宁主持例行记者会。当记者提问时,五角大楼官员表示,他们最近几天一直在密切监视一个他们认为来自中国的空中侦察气球。发言人能否证实有关情况?你对此有何评论?这一事件的披露是否
I need little help on following requirement, as I know very little about C syntax. I have data in a file like this