August 2013
Beginner
352 pages
8h 50m
English
Content preview from C Programming Absolute Beginner’s Guide, Third Edition
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18. Increasing Your Program’s Output (and Input)
In This Chapter
• Using putchar() and getchar()
• Dealing with the newline consideration
• Getting a little faster with getch()
You can produce input and output in more ways 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 capability 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 character I/O functions explained here are a little easier to use, and they provide some capabilities ...
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