Lecture 7: April 17, 2023

Reading: zyBooks, §6.5–6.13
Assignments: Homework 1 and Extra Credit 1, due April 24

1. Announcements
   1. Warning: do not put int i in your for loop — declare it at the top of the function
   2. 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]

4. Pointers and Arrays
   1. Arrays as pointers
   2. How indexing works
   3. Arrays as function parameters
   4. Multi-dimentional arrays

5. Example: ptrstew.c

Matt Bishop Office: 2209 Watershed Sciences Phone: +1 (530) 752-8060 Email: mabishop@ucdavis.edu

ECS 36A, Programming & Problem Solving Version of April 17, 2023 at 3:11PM

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