Conventions Used in the User's Guide

This user's guide uses the following conventions:

A constant width font is used for:

• Anything that might appear in a C89/C99 program.
• Command lines and options that should be typed verbatim on the screen. A bold constant width font is used to indicate the output of a command.
  

An italic font is used for:

• New terms where they are defined.
• Path names, file names, and program names.
• Internet addresses, such as domain names and URL's.
  

When code is presented as fragments, rather then complete programs, the existence of the appropriate include statements should be inferred. For example, in the following code fragment you should assume that the header stdio.h was included.