|1:||putchar(getchar()) is a valid expression; what does it do? Is getchar(putchar()) also valid?|
|2:||What would each of the following statements accomplish?
|3:||Suppose you have a program count that counts the characters in its input. Devise a command that counts the number of characters in the file essay and stores the result in a file named essayct.|
|4:||Given the program and files in question 3, which of the following are valid commands?
|5:||What is EOF?|
|6:||What is the output of each of the following fragments for the indicated input (assume that ch is type int and that the input is buffered)?