Hellow guys, Welcome to my website, and you are watching Условная компиляция. #ifdef #else #endif #if #elif #endif #ifndef что это. C ++ Урок #68. and this vIdeo is uploaded by #SimpleCode at 2017-08-24T07:30:00-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.