https://digiconfactory.tistory.com/entry/c%EA%B3%BC-%ED%8C%8C%EC%9D%B4%EC%8D%AC-%EB%A3%A8%ED%94%84%EC%9D%98-%EC%86%8D%EB%8F%84%EC%B0%A8%EC%9D%B4-%EC%BB%B4%ED%93%A8%ED%84%B0-%EC%84%B1%EB%8A%A5-%ED%85%8C%EC%8A%A4%ED%8A%B8
서버 c로 짜봐야지
