1.\"	$NetBSD: getpagesize.3,v 1.12 2003/08/07 16:42:50 agc Exp $
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30.\"     @(#)getpagesize.3	8.1 (Berkeley) 6/4/93
31.\"
32.Dd June 4, 1993
33.Dt GETPAGESIZE 3
34.Os
35.Sh NAME
36.Nm getpagesize
37.Nd get system page size
38.Sh LIBRARY
39.Lb libc
40.Sh SYNOPSIS
41.In unistd.h
42.Ft int
43.Fn getpagesize void
44.Sh DESCRIPTION
45.Bf -symbolic
46This interface is obsoleted by
47.Xr sysconf 3 .
48.Ef
49.Pp
50.Fn getpagesize
51returns the number of bytes in a page.
52Page granularity is the granularity of many of the memory management calls.
53.Pp
54The page size is a
55.Em system
56page size and may not be the same as the underlying
57hardware page size.
58.Sh SEE ALSO
59.Xr pagesize 1 ,
60.Xr sbrk 2 ,
61.Xr sysconf 3
62.Sh HISTORY
63The
64.Nm
65function call appeared in
66.Bx 4.2 .
67