Typographical conventions

Title not available (Typographical conventions)

computer font

Computer font indicates commands, keywords, options, literals, source code, system output, and path names. In syntax formats, computer font indicates commands, keywords, and punctuation that you must enter exactly as shown.

italic type

In syntax formats and examples, words or characters in italics represent values that you must supply. Italics are also used for book titles and for emphasis.

[ ]

In syntax formats, square brackets enclose optional items.

{ }

In syntax formats, braces enclose a list from which you must select an item.

. . .

Ellipsis can be either horizontal (as here) or vertical. In syntax formats, the ellipsis indicates that you can repeat the preceding item zero or more times. In examples, the ellipsis indicates the omission of one or more lines of code that are irrelevant to the example.

name(N)

An italicized word followed by a number in parentheses indicates an online reference page (man page). For example, f90(1) references the man page for the HP Fortran 90 command (f90) in Section 1 of the online man pages.

b

In examples, the b character indicates a single blank character.

z

In examples, the z character indicates a single null character.