Lecture 8: October 11, 2019

Reading: C text, §3.4–3.5, 6.1–7.5, 12.4
Due: Homework #1, due October 11, 2019 (Note extension); Extra Credit 1: due October 21, 2019

1. Greetings and felicitations!
   1. Ge’s office hour on Monday is cancelled; instead, he will have one on Thursday from 8:00am–10:00am in Room 47 Kemper
   2. There is an extra credit assignment, which is optional, focusing on Linux
   3. Extra credit: instead of how I planned to do it, I will now multiply it by 5. So if you get 80% on the extra credit, that raises your final score by 4 points (80% × 4)
   4. Warning: do not put int i in your for loop — declare it at the top of the function
   5. Go through scp
2. Pointers and indirection
   1. A pointer is an address
   2. Declarations
   3. Address (&), dereference (*) operators
   4. Indirect references
3. 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)

Matt Bishop Office: 2209 Watershed Sciences Phone: +1 (530) 752-8060 Email: [email protected]

ECS 36A, Programming and Problem Solving Version of October 12, 2019 at 8:11PM

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