Gunnar Evermann <Gunnar.Evermann(a)nats.informatik.uni-hamburg.de&gt; writes: 6. By convention, if you have to nest `GCPRO''s, use `NGCPRON' (along with `struct gcpro ngcpro1, ngcpro2', etc.), `NNGCPRON', etc. This avoids compiler warnings about shadowed locals. -- Hrvoje Niksic <hniksic(a)srce.hr&gt; | Student at FER Zagreb, Croatia --------------------------------+-------------------------------- "Beware of bugs in the above code; I have only proved it correct, not tried it." -- Donald Knuth