1.\" $NetBSD: div.3,v 1.14 2011/05/03 09:36:24 wiz Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" Chris Torek. 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)div.3 8.1 (Berkeley) 6/4/93 33.\" 34.Dd April 13, 2011 35.Dt DIV 3 36.Os 37.Sh NAME 38.Nm div , 39.Nm ldiv , 40.Nm lldiv , 41.Nm imaxdiv 42.Nd quotient and remainder from division 43.Sh LIBRARY 44.Lb libc 45.Sh SYNOPSIS 46.In stdlib.h 47.Ft div_t 48.Fn div "int num" "int denom" 49.Ft ldiv_t 50.Fn ldiv "long int num" "long int denom" 51.Ft lldiv_t 52.Fn lldiv "long long int num" "long long int denom" 53.In inttypes.h 54.Ft imaxdiv_t 55.Fn imaxdiv "intmax_t num" "intmax_t denom" 56.Sh DESCRIPTION 57These functions compute the value of 58.Fa num / denom 59and return the quotient and remainder in a specific divison structure. 60The functions differ only with respect to the type of the return value and 61the parameters. 62.Pp 63The returned structure always contains two members named 64.Vt quot 65and 66.Vt rem , 67denoting the quotient and the remainder. 68The type of these correspond with the underlying type of the function. 69.Sh EXAMPLES 70The following example demonstrate the basic usage of the functions. 71.Bd -literal -offset indent 72div_t d; 73 74int a = 4321; 75int b = 1234; 76 77d = div(a, b); 78 79(void)printf("%d %d\en", d.quot, d.rem); 80.Ed 81.Sh SEE ALSO 82.Xr fast_divide32 3 , 83.Xr math 3 , 84.Xr qdiv 3 85.Sh STANDARDS 86All described functions conform to 87.St -isoC-99 . 88