socket programming in c book pdf

... the string in the calling function remains unchanged. Exercise 2 // // circle.cpp // Defines and calls the function circle(). // #include <iostream> #include <iomanip> #include <string> ... symbolic constant NULL is defined as 0 in standard header files. A pointer containing the value NULL is also called NULL pointer. THE INDIRECTION OPERATOR ■ 233 ᮀ Using Pointers to Access Objects ... function strToUpper() is declared as a string& instead of a string? Exercise 2 Write a void type function called circle()to calculate the circumference and area of a circle.The radius and two

Ngày tải lên: 06/07/2014, 17:21

... account.h // Defining the class Account. // #ifndef _ACCOUNT_ // Avoid multiple inclusions. #define _ACCOUNT_ #include <iostream> #include <string> using namespace std; class Account ... external access, and the public members of that class. An applica- tion program accesses objects by using the public methods of the class and thus activat- ing its capacities. Access to object data ... so-called public interface of the class. The opposite page shows a schematic definition of a class. The private section gen- erally contains data members and the public section contains the access

Ngày tải lên: 06/07/2014, 17:21

... for initial- izing objects—more details are given later. 252 ■ CHAPTER 13 DEFINING CLASSES // account_t.cpp // Uses objects of class Account. // #include "Account.h" int main() { Account ... defining the methods for the class Account in a source file named Account.cpp, for example. The source code of the application program, for example, the code containing the function main, is independent ... of current2 to the corresponding members of current1. 254 ■ CHAPTER 13 DEFINING CLASSES // ptrObj.cpp // Uses pointers to objects of class Account. // #include "Account.h" // Includes

Ngày tải lên: 06/07/2014, 17:21

... methods in this “friendly” class automatically become friend functions in the class containing the friend declaration. This technique is useful if a class is used in such close conjunction with ... declaration, which eliminates data encapsulation in certain cases. Imagine you need to write a global function that accesses the elements of a numerical array class. If you need to call the access ... dramatically improve the function’s response. ᮀ Declaring Friend Functions A class can grant any function a special permit for direct access to its private members. This is achieved by declaring

Ngày tải lên: 06/07/2014, 17:21

... derived class, C. The C class inherits the B class, which is defined in the public section following the colon. The private and public sections contain additional members of the C class. ᮀ Access ... of class Truck PassCar Truck CONCEPT OF INHERITANCE ■ 501 ᮀ Base Classes and Derived Classes Inheritance allows new classes to be constructed on the basis of existing classes. The new derived class ... objects are constructed and destroyed, and ■ how access control to base classes can be realized. chapter 23 500 ■ CHAPTER 23 INHERITANCE ■ CONCEPT OF INHERITANCE Is relation Car Properties and capacities

Ngày tải lên: 06/07/2014, 17:21

... datalen) close(connfd) connect(fd, ., .) write(fd, data, datalen) read(fd, buffer, buflen) close(fd) int fd = socket( .) Socket fd Socket fd connfd ? TCP/IP Connection 8 TCP/IP Connection fd = socket( …); ... Creating a socket #include <sys /socket. h> int fd; . fd = socket( family, type, protocol); if (fd == -1) { // Error: unable to create socket . } . AF_INET for IPv4 AF_INET6 for IPv6 SOCK_STREAM ... for TCP SOCK_DGRAM for UDP 0 (not used for Internet sockets) Create an unbound socket, not connected to network; can be used as either a client or a server #include <sys/types.h> #include

Ngày tải lên: 05/09/2013, 09:57

... contain much code: using using using using using using using using using using using using System; System.Collections.Generic; System.Linq; System.Net; System .Windows; System .Windows. Controls; ... of conductors underneath the screen surface detects the change in capacitance caused by the presence of a finger on the surface. The touch screen hardware then works out where on the screen ... comparable between processors. The processor in the Windows PC might take five clock ticks to do something that the Windows Phone processor needs ten ticks to perform. The Windows PC processor might

Ngày tải lên: 17/03/2014, 13:20

... #include #include #include #include #include #include 11 ... demo */ #include #include #include #include #include #include #include #include int main(int argc, char *argv[]) { struct ... inet_aton(const char *cp, struct in_ addr *inp); And here’s a sample usage, while packing a struct sockaddr _in (this example... #include #include #include #include #include #include #include #include ... Internet address (a structure for historical reasons) [...]... demo */ #include #include #include #include #include #include #include #include #include #include #define MYPORT 4950 // the

Ngày tải lên: 19/03/2014, 13:41

... using DNS 144 Networks and Ports 145 Connections and Datagrams 146 7.2 Creating a User Datagram Protocol (UDP) Connection 146 The Socket class 147 Sockets and the SocketAsyncEventArgs class ... Server 156 7.3 Creating a Transmission Control Protocol (TCP) Connection 157 Reading a Web Page 157 7.4 Connecting to a Data Source 163 Using the WebClient class 163 7.5 Using LINQ to Read from ... Application Switching 210 The Windows Phone Application LifeCycle 211 Fast Application Switching in an application 213 Fast Application Switching and Development 218 Fast Application Switching and

Ngày tải lên: 23/03/2014, 22:21

... ❘ CHAPTER 1 A LOOK AT FUNCTIONAL PROGRAMMING HISTORY else tch ++ (calcLine ch (col+1) line maxp) ++ tch calcLines :: Int -> Int -> String calcLines line maxp = let ch = (ord ‘A’) + line in ... www.it-ebooks.info PROFESSIONAL Functional Programming in C# CLASSIC PROGRAMMING TECHNIQUES FOR MODERN PROJECTS Oliver Sturm www.it-ebooks.info Professional Functional Programming in C# : Classic Programming ... maxp line)) (cons ch nil) (cons 46 nil)))) (if (= col maxp) tch (append (append tch (calcLine ch (+ col 1) line maxp)) tch)) ) ) (defun calcLines (line maxp) (let* ((ch (+ line (char-int #\A)))

Ngày tải lên: 28/04/2014, 16:01

... contain much code: using using using using using using using using using using using using System; System.Collections.Generic; System.Linq; System.Net; System .Windows; System .Windows. Controls; ... of conductors underneath the screen surface detects the change in capacitance caused by the presence of a finger on the surface. The touch screen hardware then works out where on the screen ... comparable between processors. The processor in the Windows PC might take five clock ticks to do something that the Windows Phone processor needs ten ticks to perform. The Windows PC processor might

Ngày tải lên: 28/06/2014, 14:20

... 158 Inserting and Erasing in Strings 160 Searching and Replacing in Strings 162 Accessing Characters in Strings 164 Exercises 166 Solutions 168 Chapter 10 Functions 171 Significance of Functions ... Reference Type 228 Defining Pointers 230 The Indirection Operator 232 Pointers as Parameters 234 Exercises 236 Solutions 238 Chapter 13 Defining Classes 243 The Class Concept 244 Defining Classes ... beginning of each chapter. These summaries also provide students with an idea of the key points to look for throughout the chapter. Chapter Exercises Each chapter contains exercises, including programming

Ngày tải lên: 06/07/2014, 17:21

... Containers 749 Container Types 750 Sequences 752 Iterators 754 Declaring Sequences 756 Inserting in Sequences 758 Accessing Objects 760 Length and Capacity 762 Deleting in Sequences 764 List Operations ... Properties Capacities object2 Properties Capacities ■ OBJECT-ORIENTED PROGRAMMING Traditional concept Object-oriented concept OBJECT-ORIENTED PROGRAMMING ■ 5 ᮀ Traditional Procedural Programming In traditional, ... class defines a certain object type by defining both the properties and the capacities of the objects of that type. Objects communicate by sending each other “messages,” which in turn acti- vate

Ngày tải lên: 06/07/2014, 17:21

... follows: public class CSocketPacket { public System.Net.Sockets .Socket thisSocket; public byte[] dataBuffer = new byte[1024]; } and call BeginReceive as follows: CSocketPacket theSocPkt = new CSocketPacket ... connection, the callback routine is called and you can accept the connection by calling EndAccept. The EndAccept returns a socket object which represents the incoming connection. Here is the code ... m_socListener.Listen (4); // create the call back for any client connections m_socListener.BeginAccept(new AsyncCallback ( OnClientConnect ),null); cmdListen.Enabled = false; } catch(SocketException se) ...

Ngày tải lên: 18/01/2014, 08:20

... Solworth Socket Programming in C/ C++ sockets TCP UDP TCP-based sockets bind listen accept close send/recv shutdown close socket connect send/recv shutdown close server client socket c Mani Radhakrishnan ... Solworth Socket Programming in C/ C++ sockets Socket Programming in C/ C++ c Mani Radhakrishnan and Jon Solworth September 24, 2004 c Mani Radhakrishnan and Jon Solworth Socket Programming in C/ C++ ... following actions  socket: create the socket  connect: connect to a server  send,recv: (repeated)  shutdown  close c Mani Radhakrishnan and Jon Solworth Socket Programming in C/ C++ sockets Contact...

Ngày tải lên: 15/03/2014, 17:20

... minimum field width to n Returns the fill character used Sets the fill character to ch int width() const; int width(int n); int fill() const; int fill(int ch); Manipulator Effects Sets the minimum ... Declaration of cin, cout #include <iomanip> // For manipulators being called // with arguments. #include <string> using namespace std; int main() { int number = ' '; cout ... generates octal, decimal, and hexadecimal output. #include <iostream> // Declarations of cin, cout and using namespace std; // manipulators oct, hex, int main() { int number; cout <<...

Ngày tải lên: 06/07/2014, 17:21

... left curved bracket indicates the start of a function block, which contains the state- ments defining what the function does. ᮀ Prototype and Definition In a function definition the function ... settings for program com- pilation. DEFINING FUNCTIONS ■ 175 The following section describes how to program global functions. Chapter 13, Defining Classes, describes the steps for defining member ... of inheritance to create specialized classes without needing to change any existing classes. When implementing a class you must define the capacities of those objects, that is, the member functions,...

Ngày tải lên: 06/07/2014, 17:21

... when the object is accessed. c) A static constructor can have public as a accessibility modifiers 74. class A { public static int X = B.Y + 1; } class B { public static int Y = A.X ... explicitly or implicitly. b) Static constructors can have accessibility modifiers. e) Static constructors are called when the class is loaded. c) Static constructors cannot be called ... error. c) Incompatible type for ’=’ can’t convert SubClass to SuperClass. b) No constructor matching SuperClass() found in class SuperClass d) Wrong number of arguments in constructor....

Ngày tải lên: 21/08/2012, 15:55

... implementing an abstract class. [1.0] a) public abstract void class ClassA c) abstract public ClassA b) public abstract class ClassA 105. Which of the following methods can be called ... ("MyDll.MyOName" ) object myObject = System.Activator .C reatInstance (myObjectType) b) By using the System.Reflection. CreateInstance() method to create an instance of object in the following manner. ... an int data type. 203. Which of the following is the correct syntax for declaring an indexer. [1.0] a) protected int this[int var1] c) public int this(int var1) b) public int classname[int...

Ngày tải lên: 29/08/2012, 16:37