freebsd-skq/lib/libc/stdlib/abs.3

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.\" Copyright (c) 1990, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" the American National Standards Committee X3, on Information
.\" Processing Systems.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
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.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" @(#)abs.3 8.1 (Berkeley) 6/4/93
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.\" $FreeBSD$
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.\"
.Dd November 14, 2001
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.Dt ABS 3
.Os
.Sh NAME
.Nm abs
.Nd integer absolute value function
.Sh LIBRARY
.Lb libc
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.Sh SYNOPSIS
.In stdlib.h
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.Ft int
.Fn abs "int j"
.Sh DESCRIPTION
The
.Fn abs
function
computes
the absolute value of the integer
.Fa j .
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.Sh RETURN VALUES
The
.Fn abs
function
returns
the absolute value.
.Sh SEE ALSO
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.Xr cabs 3 ,
.Xr fabs 3 ,
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.Xr floor 3 ,
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.Xr hypot 3 ,
.Xr imaxabs 3 ,
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.Xr labs 3 ,
.Xr llabs 3 ,
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.Xr math 3
.Sh STANDARDS
The
.Fn abs
function conforms to
.St -isoC-99 .
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.Sh BUGS
The absolute value of the most negative integer remains negative.