asic string functions like printf, sscanf and strcopy, but Cocoa includes a lot of great string manipulation so there's not a need to get too in depth about string functions and techniques. You should learn how to read and use the order of operations table but it's probably not necessary to commit it to memory. You should learn about the various types of loops (while, for, and so on). You'll need to learn about some of the more advanced structures like enums and structs. And you will need to learn what a po