Compilare: Free Pascal Compiler version 2.2.0 [2008/05/08] for i386 Copyright (c) 1993-2007 by Florian Klaempfl Target OS: Linux for i386 Compiling user.fpc user.fpc(12,9) Warning: Variable "a" does not seem to be initialized user.fpc(15,9) Warning: Variable "b" does not seem to be initialized user.fpc(19,27) Warning: Variable "s" does not seem to be initialized Linking user 27 lines compiled, 0.1 sec 3 warning(s) issued