Exploring unformatted I/O

Not every string input needs to be converted into some binary value. Often, we simply need to read or write strings without any additional formatting. There is a family of unformatted string I/O functions that can be used to read or write entire lines of characters without any formatting applied. However, these functions require each string to be formed into lines. A line is loosely defined as a string that is terminated by the <newline> character. Each of these has a console version as well as a file/stream version. For the remainder of this chapter, we will briefly explore this family of functions. 

Getting the string I/O to/from the console

To read and write a line of text, there are the puts() and gets() console functions and their stream equivalents, fputs() and fgets(), as shown in the following table:

The puts() and fputs() functions...