On Wed, 1 Jul 2009 21:16:13 +0100, Tamas Rudnai: > oh, btw I am not sure if that is syntactically correct. Did the original one > compile for you? Sure - there weren't even any warnings either, which is surprising. Try: cc -o arachnid -DL=LINES -DS=COLS \ -DW=mvwaddch\(w,v,u,acs_map\[l\[m\[u arachnid.c -lncurses That's from their makefile. I completed it in 771 moves apparently :) Regards, Pete Restall -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist