This reference uses the following typographical conventions.
Convention | Description |
---|---|
|
Examples and program code appear in a nonproportional typeface. |
Bold text | Bold text indicates literal expressions that must be typed exactly as shown, such as function names, structure names, and keywords. |
Italic text | Italic text indicates variable expressions, such as parameters, where you fill in the actual value. |
CAPITAL LETTERS | Filenames, directory names, paths, function flags, and error messages appear in capital letters. |
( ) | In syntax statements, parentheses enclose one or more parameters that you pass to a function. |
[ ] | Brackets enclose optional syntax items. Type only the syntax within the brackets, not the brackets themselves. |