6 Type Reference

:unsigned

FLI type descriptor

Summary

Converts between a Lisp integer and a foreign unsigned integer.

Package

fli

Syntax

:unsigned &optional integer-type

integer-type ::= :byte | :char | :short | :int |
              :long | :long :int | :short :int

Arguments

integer-type: The type of the unsigned integer.

Description

The:unsigned type converts between a Lisp integer and a foreign unsigned integer. The optional integer-type argument specifies other kinds of unsigned integer types. See Table 6.3 for a comparison between Lisp and C unsigned types.

Table 6.3 A comparison of Lisp and C unsigned types
Lisp type	FLI type	C type
`integer`	`:unsigned`	`unsigned int`
`fixnum`	`:unsigned :byte`	`unsigned char`
`fixnum`	`:unsigned :char`	`unsigned char`
`fixnum`	`:unsigned :short`	`unsigned short`
`integer`	`:unsigned :int`	`unsigned int`
`integer`	`:unsigned :long`	`unsigned long`
`fixnum`	`:unsigned :short :int`	`unsigned short`
`integer`	`:unsigned :long :int`	`unsigned long`

See Also

:signed