| Convention |
Description |
monospaced text
|
Examples and program code appear in a non-proportional typeface. |
| Bold text |
Literal expressions that must be typed exactly as shown, such as function names, structure names, and keywords, appear in this bold typeface. |
| Italic text |
Italic text indicates new terms and 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. |