Collect also the division functions to single place, div(3).
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jruoho
parent
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b29fd93227
@ -1,4 +1,4 @@
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# $NetBSD: Makefile.inc,v 1.76 2011/04/13 06:56:50 jruoho Exp $
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# $NetBSD: Makefile.inc,v 1.77 2011/04/13 07:12:52 jruoho Exp $
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# from: @(#)Makefile.inc 8.3 (Berkeley) 2/4/95
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# stdlib sources
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@ -43,9 +43,9 @@ MAN+= a64l.3 abort.3 abs.3 alloca.3 atexit.3 atof.3 atoi.3 atol.3 atoll.3 \
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exit.3 \
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getenv.3 getopt.3 getopt_long.3 getsubopt.3 grantpt.3 \
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hcreate.3 \
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imaxdiv.3 insque.3 \
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insque.3 \
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jemalloc.3 \
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ldiv.3 lldiv.3 lsearch.3 \
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lsearch.3 \
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malloc.3 memory.3 mi_vector_hash.3 \
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posix_memalign.3 posix_openpt.3 ptsname.3 \
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qabs.3 qdiv.3 qsort.3 \
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@ -59,6 +59,9 @@ MLINKS+=a64l.3 l64a_r.3
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MLINKS+=abs.3 labs.3 \
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abs.3 llabs.3 \
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abs.3 imaxabs.3
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MLINKS+=div.3 ldiv.3 \
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div.3 lldiv.3 \
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div.3 imaxdiv.3
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MLINKS+=getenv.3 setenv.3 getenv.3 unsetenv.3 getenv.3 putenv.3
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MLINKS+=getenv.3 getenv_r.3
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MLINKS+=hcreate.3 hdestroy.3 hcreate.3 hsearch.3
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@ -1,4 +1,4 @@
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.\" $NetBSD: div.3,v 1.12 2008/08/04 21:29:27 matt Exp $
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.\" $NetBSD: div.3,v 1.13 2011/04/13 07:12:52 jruoho Exp $
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.\"
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.\" Copyright (c) 1990, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -31,41 +31,57 @@
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.\"
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.\" from: @(#)div.3 8.1 (Berkeley) 6/4/93
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.\"
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.Dd June 4, 1993
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.Dd April 13, 2011
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.Dt DIV 3
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.Os
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.Sh NAME
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.Nm div
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.Nd return quotient and remainder from division
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.Nm div ,
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.Nm ldiv ,
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.Nm lldiv ,
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.Nm imaxdiv
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.Nd quotient and remainder from division
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In stdlib.h
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.Ft div_t
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.Fn div "int num" "int denom"
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.Ft ldiv_t
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.Fn ldiv "long int num" "long int denom"
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.Ft lldiv_t
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.Fn lldiv "long long int num" "long long int denom"
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.In inttypes.h
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.Ft imaxdiv_t
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.Fn imaxdiv "intmax_t num" "intmax_t denom"
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.Sh DESCRIPTION
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The
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.Fn div
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function
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computes the value
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.Fa num/denom
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and returns the quotient and remainder in a structure named
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.Fa div_t
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that contains two
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.Em int
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members named
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.Fa quot
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These functions compute the value of
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.Fa num / denom
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and return the quotient and remainder in a specific divison structure.
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The functions differ only with respect to the type of the return value and
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the parameters.
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.Pp
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The returned structure always contains two members named
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.Vt quot
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and
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.Fa rem .
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.Vt rem ,
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denoting the quotient and the remainder.
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The type of these correspond with the underlying type of the function.
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.Sh EXAMPLES
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The following example demonstrate the basic usage of the functions.
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.Bd -literal -offset indent
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div_t d;
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int a = 4321;
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int b = 1234;
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d = div(a, b);
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(void)printf(\*[q]%d %d\en\*[q], d.quot, d.rem);
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.Ed
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.Sh SEE ALSO
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.Xr imaxdiv 3 ,
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.Xr ldiv 3 ,
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.Xr lldiv 3 ,
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.Xr fast_divide32 3 ,
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.Xr math 3 ,
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.Xr qdiv 3
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.Sh STANDARDS
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The
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.Fn div
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function
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conforms to
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.St -ansiC .
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All described functions conform to
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.St -isoC-99 .
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@ -1,75 +0,0 @@
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.\" $NetBSD: imaxdiv.3,v 1.1 2008/08/04 21:29:27 matt Exp $
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.\"
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.\" Copyright (c) 1990, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Chris Torek and the American National Standards Committee X3,
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.\" on Information Processing Systems.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)ldiv.3 8.1 (Berkeley) 6/4/93
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.\"
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.Dd March 6, 2000
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.Dt IMAXDIV 3
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.Os
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.Sh NAME
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.Nm imaxdiv
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.Nd return quotient and remainder from division
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In inttypes.h
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.Ft imaxdiv_t
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.Fn imaxdiv "intmax_t num" "intmax_t denom"
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.Sh DESCRIPTION
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The
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.Fn imaxdiv
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function
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divides
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.Ar num
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by
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.Ar denom
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and returns the resulting quotient and remainder in a structure named
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.Ar imaxdiv_t
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that contains two
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.Em imaxint_t
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members named
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.Ar quot
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and
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.Ar rem .
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.Sh SEE ALSO
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.Xr div 3 ,
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.Xr ldiv 3 ,
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.Xr lldiv 3 ,
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.Xr math 3 ,
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.Xr qdiv 3
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.Sh STANDARDS
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The
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.Fn imaxdiv
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function
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conforms to
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.St -isoC-99 .
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@ -1,73 +0,0 @@
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.\" $NetBSD: ldiv.3,v 1.13 2008/08/04 21:29:27 matt Exp $
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.\"
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.\" Copyright (c) 1990, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Chris Torek and the American National Standards Committee X3,
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.\" on Information Processing Systems.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)ldiv.3 8.1 (Berkeley) 6/4/93
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.\"
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.Dd June 4, 1993
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.Dt LDIV 3
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.Os
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.Sh NAME
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.Nm ldiv
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.Nd return quotient and remainder from division
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In stdlib.h
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.Ft ldiv_t
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.Fn ldiv "long int num" "long int denom"
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.Sh DESCRIPTION
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The
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.Fn ldiv
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function
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computes the value
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.Ar num/denom
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and returns the quotient and remainder in a structure named
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.Ar ldiv_t
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that contains two
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.Em long integer
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members named
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.Ar quot
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and
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.Ar rem .
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.Sh SEE ALSO
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.Xr div 3 ,
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.Xr imaxdiv 3 ,
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.Xr lldiv 3 ,
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.Xr math 3 ,
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.Xr qdiv 3
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.Sh STANDARDS
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The
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.Fn ldiv
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function
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conforms to
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.St -ansiC .
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@ -1,73 +0,0 @@
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.\" $NetBSD: lldiv.3,v 1.7 2008/08/04 21:29:27 matt Exp $
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.\"
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.\" Copyright (c) 1990, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Chris Torek and the American National Standards Committee X3,
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.\" on Information Processing Systems.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)ldiv.3 8.1 (Berkeley) 6/4/93
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.\"
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.Dd March 6, 2000
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.Dt LLDIV 3
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.Os
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.Sh NAME
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.Nm lldiv
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.Nd return quotient and remainder from division
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In stdlib.h
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.Ft lldiv_t
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.Fn lldiv "long long int num" "long long int denom"
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.Sh DESCRIPTION
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The
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.Fn lldiv
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function
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computes the value
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.Ar num/denom
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and returns the quotient and remainder in a structure named
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.Ar lldiv_t
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that contains two
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.Em long long integer
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members named
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.Ar quot
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and
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.Ar rem .
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.Sh SEE ALSO
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.Xr div 3 ,
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.Xr imaxdiv 3 ,
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.Xr ldiv 3 ,
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.Xr math 3 ,
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.Xr qdiv 3
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.Sh STANDARDS
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The
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.Fn lldiv
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function
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conforms to
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.St -isoC-99 .
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