'Pointer variables' presentation slideshows

Problem Solving with C++ The Object of Programming

Problem Solving with C++ The Object of Programming. Walter Savitch Chapter 11 Pointers and Dynamic Arrays Slides by David B. Teague, Western Carolina University, A Constituent Institution of The University of North Carolina. 11. Pointers and and Dynamic Arrays. Pointers

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Pointers and Dynamic Memory Allocation

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Outline

Outline. Review Functions Pointers Function calls Array Pointers Pointer Arrays Data Structures and dynamic Memory Function Pointers quicksort example. Functions. Functions enable grouping of commonly used code into a reusable and compact unit.

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C++ Programming

C++ Programming. Jerry Lebowitz. Chapter 12. Topics. Pointers Dynamic memory Object persistence Shallow vs. deep copy Array of pointers Command line parameters Virtual Functions. What is a Pointer Variable?.

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Chapter 3

Chapter 3. Pointers and Array-Based Lists Dr. Youssef Harrath yharrath@uob.edu.bh. Outline. Pointer Data Types and Pointer Variables Declaring Pointer Variables Address of Operator (&) Dereferencing Operator (*) Classes, structs, and Variables Initializing Pointer Variables

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Arrays and Pointers (part 1)

Arrays and Pointers (part 1). CSE 2031 Fall 2010. Arrays. Grouping of data of the same type. Loops commonly used for manipulation. Programmers set array sizes explicitly. Arrays: Example. Syntax type name[size]; Examples int bigArray [10]; double a[3]; char grade[10], oneGrade ;.

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Chapter 6 Data Types

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Objectives

Chapter 9 Pointers. Objectives. ? To understand the concept and use of pointers ? To be able to declare, define, and initialize pointers ? To write programs that access data through pointers

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Lesson 9

Lesson 9. Pointers. Pointers in Wonderland.

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More C Stack Frames / Pointer variables

More C Stack Frames / Pointer variables. Stack: Local Variables Pass & Return values Frame Ptr linkage (R5) and PC linkage (R7) Pointer Variables: Defining & using Pass by value Pass by reference (pointer). Allocating Space for Variables. x0000. Trap Vectors. x0100. Intr Vectors.

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TEC 284

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Buffer Overflow and Stack Smashing

Buffer Overflow and Stack Smashing. Vitaly Shmatikov. Famous Buffer Overflow Attacks. Morris worm (1988): overflow in fingerd 6,000 machines infected (10% of existing Internet) CodeRed (2001): overflow in MS-IIS server 300,000 machines infected in 14 hours

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C Pointers Another ref: pw1com/~tjensen/ptr/pointers.htm

C Pointers Another ref: http://pw1.netcom.com/~tjensen/ptr/pointers.htm. Fig. 7.1 | Directly and indirectly referencing a variable. 2 Pointer Variable Definitions and Initialization. Pointer definitions * used with pointer variables int *myPtr;

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Lecture 17: The Last Puzzle Piece with Functions

Lecture 17: The Last Puzzle Piece with Functions. Pointers . Powerful, but difficult to master Simulate call-by-reference Close relationship with arrays and strings. Pointer Variables. Contain memory addresses as their values

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Pointers

Pointers. Each cell can be easily located in the memory because it has a unique address. Reference operator (&) The address that locates a variable within memory is what we call a reference to that variable.

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Pointers

Pointers. Each cell can be easily located in the memory because it has a unique address . Reference operator (&) The address that locates a variable within memory is what we call a reference to that variable.

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Week 12

Week 12. Methods for passing actual parameters to formal parameters .

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7.2 Pointer Variable Declarations and Initialization

count. countPtr. count. 7. 7. 7.2 Pointer Variable Declarations and Initialization. Pointer variables Contain memory addresses as their values Normal variables contain a specific value (direct reference) Pointers contain address of a variable that has a specific value (indirect reference)

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main ()

main (). int main(void) { unsigned int buttons, dir , mode, sm_code , mS ; system_init (); /* Initialize Cerebot MX7ck */ while(1) /* Infinite application loop */ { buttons= read_buttons (); decode_buttons (buttons, & dir , &mode);

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