Tilman
you can ignore this warning. If you want to disable warnings with printLine function calls you could try to use statements like this:
printLine2( (char *) " ? ? ? ? ? ? ? ? ? ?");
For more Infos look at:
/g/BITX20/message/22696?p=Created,,,20,1,0,0?
there already was a discussion about this.
Armin, DJ2AG