Igor, Thanks for replying. >>First off, looks like the above gdb examples are from two different source >>files. The files only differ in their variable names. >>Secondly, what exact command are you using to compile the source, >>on both Linux and Cygwin? Makefile for both: josh : josh.cpp g++ -g -c josh.cpp g++ -g -o josh josh.o >>Third, did you try "set language" in gdb? >>There's also a "set print vtbl" command that might be of use. I'll look into this - I'm not sure what these options mean at the moment. Thanks again, Josh -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/