1*2fe8fb19SBen Gras.\" $NetBSD: getpagesize.3,v 1.12 2003/08/07 16:42:50 agc Exp $ 2*2fe8fb19SBen Gras.\" 3*2fe8fb19SBen Gras.\" Copyright (c) 1983, 1991, 1993 4*2fe8fb19SBen Gras.\" The Regents of the University of California. All rights reserved. 5*2fe8fb19SBen Gras.\" 6*2fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without 7*2fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions 8*2fe8fb19SBen Gras.\" are met: 9*2fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright 10*2fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer. 11*2fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright 12*2fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer in the 13*2fe8fb19SBen Gras.\" documentation and/or other materials provided with the distribution. 14*2fe8fb19SBen Gras.\" 3. Neither the name of the University nor the names of its contributors 15*2fe8fb19SBen Gras.\" may be used to endorse or promote products derived from this software 16*2fe8fb19SBen Gras.\" without specific prior written permission. 17*2fe8fb19SBen Gras.\" 18*2fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19*2fe8fb19SBen Gras.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*2fe8fb19SBen Gras.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*2fe8fb19SBen Gras.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22*2fe8fb19SBen Gras.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23*2fe8fb19SBen Gras.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24*2fe8fb19SBen Gras.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25*2fe8fb19SBen Gras.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26*2fe8fb19SBen Gras.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27*2fe8fb19SBen Gras.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28*2fe8fb19SBen Gras.\" SUCH DAMAGE. 29*2fe8fb19SBen Gras.\" 30*2fe8fb19SBen Gras.\" @(#)getpagesize.3 8.1 (Berkeley) 6/4/93 31*2fe8fb19SBen Gras.\" 32*2fe8fb19SBen Gras.Dd June 4, 1993 33*2fe8fb19SBen Gras.Dt GETPAGESIZE 3 34*2fe8fb19SBen Gras.Os 35*2fe8fb19SBen Gras.Sh NAME 36*2fe8fb19SBen Gras.Nm getpagesize 37*2fe8fb19SBen Gras.Nd get system page size 38*2fe8fb19SBen Gras.Sh LIBRARY 39*2fe8fb19SBen Gras.Lb libc 40*2fe8fb19SBen Gras.Sh SYNOPSIS 41*2fe8fb19SBen Gras.In unistd.h 42*2fe8fb19SBen Gras.Ft int 43*2fe8fb19SBen Gras.Fn getpagesize void 44*2fe8fb19SBen Gras.Sh DESCRIPTION 45*2fe8fb19SBen Gras.Bf -symbolic 46*2fe8fb19SBen GrasThis interface is obsoleted by 47*2fe8fb19SBen Gras.Xr sysconf 3 . 48*2fe8fb19SBen Gras.Ef 49*2fe8fb19SBen Gras.Pp 50*2fe8fb19SBen Gras.Fn getpagesize 51*2fe8fb19SBen Grasreturns the number of bytes in a page. 52*2fe8fb19SBen GrasPage granularity is the granularity of many of the memory management calls. 53*2fe8fb19SBen Gras.Pp 54*2fe8fb19SBen GrasThe page size is a 55*2fe8fb19SBen Gras.Em system 56*2fe8fb19SBen Graspage size and may not be the same as the underlying 57*2fe8fb19SBen Grashardware page size. 58*2fe8fb19SBen Gras.Sh SEE ALSO 59*2fe8fb19SBen Gras.Xr pagesize 1 , 60*2fe8fb19SBen Gras.Xr sbrk 2 , 61*2fe8fb19SBen Gras.Xr sysconf 3 62*2fe8fb19SBen Gras.Sh HISTORY 63*2fe8fb19SBen GrasThe 64*2fe8fb19SBen Gras.Nm 65*2fe8fb19SBen Grasfunction call appeared in 66*2fe8fb19SBen Gras.Bx 4.2 . 67