Page 277: In exercise 9-1, the function call to "print" should be "printf".

[WraithGlade]

The following code in example 9-1:

print("Sum: %d\n", sum);

... refers to a function "print" which is not a part of the standard library. This is just a typo of course.

[JLospinoso]

Thanks, @WraithGlade!