Lecture 13: Character Strings, Pointers to Pointers, Command Line Arguments

Jul 05, 2012

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Lecture 13: Outline. Character strings.String manipulation functions.Pointers to Pointers.Double indirectionCommand Line Arguments.Process command line for programs.. Character Strings. A sequence of character constants such as

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Lecture 13: Character Strings, Pointers to Pointers, Command Line Arguments

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1. Lecture 13: Character Strings, Pointers to Pointers, Command Line Arguments Homework: Read Chapter 12 of Barclay

2. Lecture 13: Outline Character strings. String manipulation functions. Pointers to Pointers. Double indirection Command Line Arguments. Process command line for programs.

3. Character Strings A sequence of character constants such as �This is a string !�. Each character of the string is a character constant in a consecutive memory block. Representation in memory:

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Arrays

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Referencing addresses, Pointers

Referencing addresses, Pointers. Pointer definitions, usage, operations, arrays of pointers, function pointers. The Pointer Concept and Usage in C. Concept of Pointer as memory address Pointer definitions Usage of pointers Operations on pointers Function arguments: Call by Value/Reference

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Pointers

Pointers. Introduction. Pointers Powerful, but difficult to master Simulate pass-by-reference Close relationship with arrays and strings. count. countPtr. count. 7. 7. Pointer Variable Declarations and Initialization. Pointer variables Contain memory addresses as values

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More Pointers and Arrays

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Pointers and Strings. Outline sizeOf operator Pointer Expressions and Pointer Arithmetic Relationship Between Pointers and Arrays Arrays of Pointers Case Study: Card Shuffling and Dealing Simulation. sizeOf operator. sizeof Unary operator returns size of operand in bytes

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Pointers. Topics. Pointers Pointer Arithmetic Pointers and Arrays. Objectives. on completion of this topic, students should be able to:. Correctly use pointers in a C++ program * Take the address of a variable * Dereference a pointer * Do pointer arithmetic

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Command Line Arguments

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Command Line Arguments

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C Pointers

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Chapter 8 Pointers

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A First Book of ANSI C Fourth Edition

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Lecture 13: Character Strings, Pointers to Pointers, Command Line Arguments

Lecture 13: Character Strings, Pointers to Pointers, Command Line Arguments

Presentation Transcript

C Strings

Arrays

Arrays, Strings, and Pointers

Referencing addresses, Pointers

Pointers

Pointers

Pointers

More Pointers and Arrays

Pointers and Strings

Pointers

Pointers

Command Line Arguments

Command Line Arguments

C Pointers

Chapter 8 Pointers

A First Book of ANSI C Fourth Edition

Pointers

Pointers

CSE 20232 Lecture 26 – Pointers

Lecture 7 C Pointers

Arrays &amp; Pointers &amp; Strings

Pointers

Arrays & Pointers & Strings