%EB%B0%A4%EC%9D%98%EC%A0%84%EC%9F%81%EC%98%A4%ED%94%BC%E3%82%A6%20%E3%80%90optop1.c%CE%98%EF%BD%8D%E3%80%91%E2%9D%87%EB%B0%A4%EC%9D%98%EC%A0%84%EC%9F%81%EC%A3%BC%EC%86%8C%EB%B3%80%EA%B2%BD%E2%96%A1%EB%B0%A4%EC%9D%98%EC%A0%84%EC%9F%81%EC%98%A4%ED%94%BC%E2%9C%90%EB%B0%A4%EC%9D%98%EC%A0%84%EC%9F%81%EC%95%88%EB%A7%88%20%EB%B0%A4%EC%9D%98%EC%A0%84%EC%9F%81%EC%97%85%EC%86%8C%E2%9C%97%EB%B0%A4%EC%9D%98%EC%A0%84%EC%9F%81%EC%A3%BC%EC%86%8C