Hi, this works: #ifdef Linux #define quadword long long #else ifdef Windows #define quadword __int64 #endif Why quadword? Intel calls a 64b integer quadword, I too. bye Felix Kollmann, DG5PT Future Interactive email: fkollmann@gmx.net http://www.futureint.com ---- Don't fear the future, because fear is the path to the dark side. Fear is to angry. Angry is to hate and hate is to suffering. -- Yoda