c And Datas

C and Data Structures E Balagurusamy Vice Chancellor Anna University, Chennai  cross out TO THE USER This CD-ROM contains chapter-wise program modelings with source code. These are in gain to those given in the text. We hope the user finds them profitable in enhancing his understanding of the text and also in create his programing skills using C. INTRODUCTION This is an example for a abrupt successor big instruction. /************************************************************/ /* frank macro instruction substitution */ /************************************************************/ # mend AND && main() { char a,b; a = A; b = A; } if (a AND b) printf(Same); This is an example for a simple substitution macro. This macro has a C function printf() in its body. /************************************************************/ /* simple macro substitution with function */ /************************************************************/ # limit AND && #define MES SAGE printf(Same...) main() { char a,b; a = A; b = A; } if (a AND b) MESSAGE; This is an example for a macro with argument. It calculates the field of view of a circle. /************************************************************/ /* macro with arguments */ /************************************************************/ #define AREA(r) (3.

14 * r * r) main() { float r; printf(Enter wheel spoke : ); scanf(%f,&r); printf(Area is : %f,AREA(r)); } 3 This is an example for a macro with arguments containing relational operators and nesting of macro. It checks whether the input value is a number or alphabet. /** ********************************************! **************/ /* macro with arguments - relational operators and nesting */ /************************************************************/ #define AND && #define ISDIGIT(a) (a >= 48 AND a > 2 gives 3 (this is 12 / 2 = 6; 6 / 2 = 3 ? one division by 2 for each shift), whereas 13 >> 1 will give solely 6 (13 / 2 = 6 ? decimal portion is truncated)....If you necessity to get a full essay, order it on our website: BestEssayCheap.com

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