A Book on C: Programming in C (4th Edition)

A Book on C: Programming in C (4th Edition)

Language: English

Pages: 726

ISBN: 0201183994

Format: PDF / Kindle (mobi) / ePub

A Book on C: Programming in C (4th Edition)

Language: English

Pages: 726

ISBN: 0201183994

Format: PDF / Kindle (mobi) / ePub


Now in its fourth edition, A Book on C retains the features that have made it a proven, best-selling tutorial and reference on the ANSI C programming language. This edition builds on the many existing strengths of the text to improve, update, and extend the coverage of C, and now includes information on transitioning to Java and C++ from C.Beginners and professional programmers alike will benefit from the numerous examples and extensive exercises developed to guide readers through each concept. Step-by-step dissections of program code illuminate the correct usage and syntax of C language constructs and reveal the underlying logic of their application. The clarity of exposition and format of the book make it an excellent reference on all aspects of C.Highlights of A Book on C, Fourth Edition: New and updated programming examples and dissections-the authors' trademark technique for illustrating and teaching language concepts.Recursion is emphasized with revised coverage in both the text and exercises.Multifile programming is given greater attention, as are the issues of correctness and type safety. Function prototypes are now used throughout the text.Abstract Data Types, the key concept necessary to understanding objects, are carefully covered.Updated material on transitioning to C++, including coverage of the important concepts of object-oriented programming.New coverage is provided on transitioning from C to Java.References to key programming functions and C features are provided in convenient tables.

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ecilA and the letters in your name sum to 1142. Have a nice day! • 41 What is your name? "); This is a prompt to the user. The program now expects a name to be typed in followed by a carriage return. • for (i = 0; (c = getchar()) != '\n'; ++i) { name[iJ = c; if (i sal pha(c)) sum += c; } The variable i is initially assigned the value O. Then getcha r 0 gets a character from the keyboard, assigns it to c, and tests to see if it is a newline character. If it is not, the body of the for loop

i nt, not short. This is because in any expression, a always gets promoted, or converted, to an i nt. In this section we want to give rules for conversions. UNIX and the Mathematics Library In ANSI C, the mathematics library is conceptually part of the standard library. means that you should not have to do anything special to get access to functions. However, on older UNIX systems this is often not the case. Suppose you a program in a file, say pgm.c, that uses the sq rt () function. The

and yield either i nt value 0 or the i nt value 1. The syntax for a logical expression is given by *1 Values of: s (i - j) I The usual arithmetic conversion rules are applied to expressions that are the of !. The following table gives the semantics of the ! operator: not (not s) 2.3 rExpression I! 1* 1* x = 0.O, Y I! i - j but not al ! (! 5) J." a && b aI(a"

Multidimensional Arrays 276 Chapter 6'" Arrays, Pointers, and Strings • Declarations and initializations Dissection of the strcatO Function II register char ~'p = char 51; Observe that p is being initialized, not *p. The pointer p is initialized to the value 51. Thus, p and 51 point to the same memory location. II 277 As long as the value pointed to by p is nonzero, P is incremented, causing it to point the next character in the string. When p points to the end-of-string sentinel \0,

Functions as Formal Parameters in Function Prototypes graph of f There are a number of equivalent ways to write a function prototype that has a as a formal parameter. To illustrate this, let us write a list of equivalent function types for s um_sq r 0 : double double double double double double f(double x), int m, int n)j f(double) , int m, int n)j f(double) , int, int); (*f) (double) , int, int); (*)(double) , int, int); g(double V), int a, int b); In the above list, the identifiers mand n

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