Exercises : Answer the following Question

To help solidify your understanding of this hour's lesson, you are encouraged to answer the quiz questions and finish the exercises provided in the Workshop before you move to the next lesson. The answers and hints to the questions and exercises are given in Appendix E, "Answers to Quiz Questions and Exercises."
Quiz

    What's wrong with the following macro definition?

    #define ONE   1;

    What is the final value assigned to result after the assignment statement is executed?

    #define ONE       1
    #define NINE      9
    #define EXPRESS   ONE + NINE
    result = EXPRESS * NINE;

    What message will be printed out from the following code segment?

    #define MACRO_NAME 0
    #if MACRO_NAME
       printf("Under #if.\n");
    #else
       printf("Under #else.\n");
    #endif

    What message will be printed out from the following code segment?

    #define MACRO_NAME 0
    #ifdef MACRO_NAME
       printf("Under #ifdef.\n");
    #endif
    #ifndef MACRO_NAME
       printf("Under #ifndef.\n");
    #endif

Exercises

    In Hour 18, "More Data Types and Functions," you learned how to define enum data. Rewrite the program in Listing 18.1 with the #define directive.
    Define a macro name that can multiply two arguments. Write a program to calculate the multiplication of 2 and 3 with the help of the macro. Print out the result of the program.
    Rewrite the program in Listing 23.2 with the #if, #elif, and #else directives.
    Rewrite the program in Listing 23.3 with nested #if directives.

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ভালো C প্রোগ্রামিং কিভাবে করবে ?

ক্লাস 24 : তুমি এখন যে গুলি করতে পারো

CLASS 24: What You Can Do Now

You're now in the last chapter of this book. In this lesson you'll learn more about the C language from the following topics:

C Preprocessor এর ব্যবহার ও উপযোগিতা

In Chapter 2, "Writing Your First C Program," you learned how to use the #include preprocessor directive to include C header files. Since then, the #include directive has been used in every program in this book.

C প্রোগ্রামিং ও অ্যাডভান্স File অপারেশন

In last hour's lesson you learned the basics of reading and writing disk data files. In this lesson you'll learn more about communication with disk data files. The main topics discussed in this hour are

Random access to files
Reading or writing binary data

C প্রোগ্রামিং ও File অপারেশন

In Chapter 5, "Reading from and Writing to Standard I/O," you learned how to read or write characters through standard input or output. In this lesson you'll learn to read data from or write data to disk files. The following topics are discussed in this lesson:

Unions: বিসদৃশ Data সংগ্রহের অন্য উপায়

In the previous hour's lesson you learned how to store data of different types into structures. In this hour you'll learn another way to collect differently typed data items by using unions. You'll learn about the following topics in this lesson: