>>>>> "kpkoch" == Kevin Koch <kpkoch at MIT.EDU> writes: kpkoch> VS2003 says kpkoch> error C2010: ')' : unexpected in macro formal parameter list kpkoch> to kpkoch> #define log_error( format, ... ) _log_error( __FILE__, __LINE__, format , ## kpkoch> __VA_ARGS__ ) __VA_ARGS__ is new in C99. Does VS2003 support C99? ---Tom