25.2 Parsing program options using getopt

The getopt and getopt_long functions automate some of the chore involved in parsing typical unix command line options.

• Using Getopt: Using the getopt function.
• Example of Getopt: An example of parsing options with getopt.
• Getopt Long Options: GNU suggests utilities accept long-named options; here is one way to do.
• Getopt Long Option Example: An example of using getopt_long.