C pointers vs. Objective-C pointers

Question

I\'m coming from an Objective-C background and am trying to expand my knowledge in C. One thing has me confused, however, and that\'s the difference between pointers in C and O

Answer 1

&string has type NSString **, whereas stringPointer has type NSString *, thus the warning. Then you try to assign an instance of NSString (with type NSString *) to a variable of type NSString, thus the error.