DEBUGOUT2
#define DEBUGOUT2(S,A,B) printf(S "\n",A,B)
#define DEBUGOUT2(S,A,B)
#define DEBUGOUT2(...) DEBUGOUT(__VA_ARGS__)
#define DEBUGOUT2(S,A,B) printf(S "\n",A,B)
#define DEBUGOUT2(S,A,B)
#define DEBUGOUT2(S,A,B)
#define DEBUGOUT2(S,A,B) printf(S "\n",A,B)