Lecture 9 Outline (October 14, 2015)

Reading: text §6

1. Greetings and felicitations!
   1. The ECS 30 web hosting system (the system called “nob.cs.ucdavis.edu”) suffered a disk crash and is down. We do not know when it will be back up. All material has been uploaded to SmartSite.
   2. Homework #2 is available and due October 30
2. Full program calc.c
3. Pointers and indirection
   1. A pointer is an address
   2. Declarations
   3. Address (&), dereference (*) operators
   4. indirect references
   5. File pointers as an example (fileio.c)
4. More on functions in C
   1. Parameters: pass (or call) by reference (also called output parameters)
   2. Example: swap function — exchange values of two variables (swap.c)
   3. Scope: local variables (scope.c)