lib/libc/stdlib/labs.3 - master - nerfur/openbsd-src

lib/libc/stdlib/labs.3
88 строк3 KB
schwarze
Replace the vague, incorrect, and confusing BUGS sections with CAVEATS
18 янв 2019, 10:32
18 янв 2019, 10:32467be13
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.\"	$OpenBSD: labs.3,v 1.17 2019/01/18 07:32:17 schwarze Exp $
.\"
.Dd $Mdocdate: January 18 2019 $
.Dt LABS 3
.Os
.Sh NAME
.Nm labs ,
.Nm llabs ,
.Nm qabs
.Nd return the absolute value of a long integer
.Sh SYNOPSIS
.In limits.h
.In stdlib.h
.Ft long
.Fn labs "long i"
.Ft long long
.Fn llabs "long long j"
.Ft quad_t
.Fn qabs "quad_t j"
.Sh DESCRIPTION
The
.Fn labs
function returns the absolute value of the long integer
.Fa i .
The
.Fn llabs
function returns the absolute value of the long long integer
.Fa j .
.Pp
The
.Fn qabs
function is a deprecated equivalent of
.Fn llabs .
.Sh SEE ALSO
.Xr abs 3 ,
.Xr cabs 3 ,
.Xr floor 3 ,
.Xr imaxabs 3
.Sh STANDARDS
The
.Fn labs
and
.Fn llabs
functions conform to
.St -isoC-99 .
.Sh CAVEATS
The results of applying
.Fn labs
to
.Dv LONG_MIN
and
.Fn llabs
to
.Dv LLONG_MIN
are undefined, and
.Fn qabs
is not portable in the first place.