Date: 13 Jan 1994 10:11:18 -0800 (PST) From: Gregory Eakin Subject: Re: test.cc To: djgpp AT sun DOT soe DOT clarkson DOT edu Dear Thomas, You have a global function named "ng" > int ng(PunktGruppe gb); /* # of elements of group gb */ and a local variable "ng" in main(). > int n, na, nb, ng; The compiler is confusing the two. Just rename one of them, and the program will compile. -- Greg