Objective-C Programming (2nd Edition)   10. Pass-By-Reference

About the 10. Pass-By-Reference category (1)
Avoid dereferencing NULL (11)
Important discussion has been left out by the Author (8)
Why isn't my last printf line printing? (2)
Challenge (18)
When to use pass by reference (1)
Who can help me? what's wrong with my codes? (4)
Meters to Feet and Inches Program pg. 73 with comments (5)
My Two Big Lessons From This Chapter (1)
metersToFeetAndInches puzzle (3)
Information about unclear in example (8)
Can you tell why this doesn't fully work? (2)
Challenge: Condensed, but does it make sense? (2)
Chapter 10 (in book v2) PBR challenge ( 2 ) (22)
metersToFeet using modf() - Challenge (SOLUTION) (1)
What am I not getting about pointers and addresses? (5)
What is going on here? (2)
Is this chapter even valid? (2)
Troubles with dereferencing a null (4)
Challenge (1)
Challenge solution with Comments (1)
Programme finishing on exit code -1 (2)