static int callb(ok,xs,xi,depth,error)
int ok;
X509 *xs,*xi;
int depth,error;
	{
	if ((!ok) || (depth > 0))
		{
		printf("error with certificate - error %d at depth %d\n%s\n",
			error,depth,X509_verify_error_string(error));
			return(ok);
		}
	return(ok);
	}
