Noah Quigley-Hobson

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CS 240

These are a lot of my old lecture notes. They don't cover everything, but they do cover a lot. These notes are meant to be supplemental, not to replace the main CS 240 website.

Lab Slides

• HW0 Slides: Introductions, Syllabus and Housekeeping Stuff, BASH
• HW1 Slides: ROT-13 and XOR Checksum Example
• HW2 Slides: fscanf Usage, Floating Point Rounding Errors
• HW3 Slides: Pointers, Double Pointers, and Arrays
• HW4 Slides: Structs and Struct Pointers, Complex Numbers
• HW5 Slides: fread and fwrite, Binary Data, and void*
• HW6 Slides: Memory Layout, Buffer Overflows, and strcpy
• HW6/7 Slides: HW6 Hints, Linked Lists
• HW8 Slides: Malloc, Dynamic Memory, and Scope
• HW9 Slides: Extensions of Linked Lists, Malloc Part 2
• HW10 Slides: Double Pointers and Data Deduplication
• Midterm II + HW11 Slides: Pointers, Dynamic Memory, Linked Lists, Recursion, Trees, and Solutions to Some Practice Problems (HW11 notes start on page 18)
• HW12 Slides: How CPUs work, how functions work
• Final exam study notes day 1

Sample Programs

execstack_sample.c, which can be compiled with gcc -zexecstack execstack_sample.c