more comm

core.c

@@ -11,7 +11,7 @@ main(int argc, char **argv)
 
 	int res = f(x, y);
 
-	printf("res = %d\n", res);
+	printf("un res = %d\n", res);
 
 	return 0;
 }

f.c

@@ -4,6 +4,6 @@ int
 f(int c, int d)
 {
 	int sum = d+c
-	printf("data %d+%d=%d\n", c, d, sum);
+	printf("explicit data %d+%d=%d\n", c, d, sum);
 	return sum;
 }