extern long g7(long a, long b);

int check_arg2(long (*function)(long, long), long blubb[2][2]) {
	int ret,a,b;
	ret=1;
	for(a=0;a<2;a++) {
		for(b=0;b<2;b++) {
			ret&=(function(a,b)==blubb[a][b]);
		}
	}
	return ret;
}

long ret_g7[2][2]={{0,0},{1,0}};

return check_arg2(g7,ret_g7);