Absolute Beginner’s Guide to C, 2nd Edition

18. How Else Can I Control Input and Output?

With Built-In I/O Functions

In This Chapter

putchar() and getchar()

188

The Newline Consideration

191

A Little Faster: getch()

193

There are more ways to produce input and output than with the scanf() and printf() functions. This chapter shows you some of C’s built-in I/O functions that you can use to control I/O. You can use these simple functions to build powerful data-entry routines of your own.

These functions offer the primitive ability to input and output one character at a time. Of course, you also can use the %c format specifier with scanf() and printf() for single characters; however, the ...