:signed

:signed FLI Type Descriptor

Summary

Converts between a Lisp integer and a foreign signed integer.

Package

keyword

Syntax

:signed &optional integer-type

Arguments

integer-type⇩

The type of the signed integer.

Description

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

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