Pointers | C/C++ (English) | HUJI | Orin Summaries

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HUJI/C/C++ (English)/Pointers

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Motivation: Why Do We Need Pointers?
What Are Pointers?
Pointer Definition
Size of Pointers
Pointer Syntax
I. Declaration using
II. Address-of Operator & (Variable -> Pointer)
III. Dereference Operator (Pointer -> Value)
Summary: and &
Pointer Walkthrough Example
Detailed Pointer Trace
Pointer Declaration -- Spacing
Pointers and Functions: Output Arguments
The Rule
Fixing the Swap Function
Swap Memory Trace
Dangling Pointers and Stack Variables
Never Return a Pointer to a Stack Variable
NULL Pointers
Dereferencing an Uninitialized Pointer
NULL -- A Special Pointer Value
Checking for NULL
Pointers -- Summary
and & Summary

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