C Primer Plus®, Third Edition

Chapter 8

1. The statement putchar(getchar()); causes the program to read the next input character and to print it; the return value from getchar() is the argument to putchar(). No, getchar(putchar()) is invalid because getchar() doesn't use an argument and putchar() needs one.

2. 1. Display the H character.

   2. Sound the alert if the system uses ASCII.

   3. Move the cursor to the beginning of the next line.

   4. Backspace.

3. count <essay >essayct or else count >essayct <essay

4. Just c. is valid.

5. It's a signal (a special value) returned by getchar() and scanf() to indicate that they have detected the end of a file.

6. 1. The output is as follows:

      If you qu
      

      Note that the character I is distinct from the character i. Also note that the i is not printed because the loop quits upon detecting ...