CS208 Introduction to Computer Systems
Friday, 17 April 2026

+ Today
- Exam study guide (linked from main page)
- Questions: tokenizer, pointers.c,...?
- Arrays and pointers
- C structs: what a linked list looks like in C

+ Questions
- tokenizer, pointers.c,...?
- quiz

+ arrays and pointers
- char *s = "cat";
- char t[10] = "bat";
- s[0] = 'b'; // OK? (no, but why?)
- t[0] = 'c'; // OK? (yes)
- s = t; // OK? what happens? (ok; s points to "bat", which is stored on the stack)
- t = s; // OK? what happens? (compile-time error; why?)

+ We have seen...
- char *argv[]