char c; 

int cnt = 0; 

        while (++cnt <= 3 && (c = getchar()) != EOF) { 

                putchar(c); 

        } 


cnt = 1 => 입력 

cnt = 2 => \\n 

cnt = 3 => 입력 


<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\"><meta http-equiv=\"Content-Style-Type\" content=\"text/css\"><title></title><meta name=\"Generator\" content=\"Cocoa HTML Writer\"><meta name=\"CocoaVersion\" content=\"1038.35\"><style type=\"text/css\">p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 19.0px; font: 12.0px Dotum; color: #333233; min-height: 14.0px}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 19.0px; font: 12.0px Dotum; color: #333233}</style>


저는 문자 3개 받는줄 알았는데 공백 문자가 하나 삽입되네요 -_-;