projects / unix-history / blame
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| 1c15e888 C |
1 | .\" Copyright (c) 1983 The Regents of the University of California. |
| 2 | .\" All rights reserved. | |
| 3 | .\" | |
| 4 | .\" Redistribution and use in source and binary forms are permitted provided | |
| 5 | .\" that: (1) source distributions retain this entire copyright notice and | |
| 6 | .\" comment, and (2) distributions including binaries display the following | |
| 7 | .\" acknowledgement: ``This product includes software developed by the | |
| 8 | .\" University of California, Berkeley and its contributors'' in the | |
| 9 | .\" documentation or other materials provided with the distribution and in | |
| 10 | .\" all advertising materials mentioning features or use of this software. | |
| 11 | .\" Neither the name of the University nor the names of its contributors may | |
| 12 | .\" be used to endorse or promote products derived from this software without | |
| 13 | .\" specific prior written permission. | |
| 14 | .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED | |
| 15 | .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF | |
| 16 | .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 17 | .\" | |
| 18 | .\" @(#)getpagesize.2 6.3 (Berkeley) 6/23/90 | |
| 19 | .\" | |
| 20 | .TH GETPAGESIZE 2 "June 23, 1990" | |
| 21 | .UC 5 | |
| 22 | .SH NAME | |
| 23 | getpagesize \- get system page size | |
| 24 | .SH SYNOPSIS | |
| 25 | .nf | |
| 26 | .ft B | |
| 27 | pagesize = getpagesize() | |
| 28 | int pagesize; | |
| 29 | .ft R | |
| 30 | .fi | |
| 31 | .SH DESCRIPTION | |
| 32 | .I Getpagesize | |
| 33 | returns the number of bytes in a page. | |
| 34 | Page granularity is the granularity of many of the memory | |
| 35 | management calls. | |
| 36 | .PP | |
| 37 | The page size is a | |
| 38 | .I system | |
| 39 | page size and may not be the same as the underlying | |
| 40 | hardware page size. | |
| 41 | .SH SEE ALSO | |
| 42 | sbrk(2), pagesize(1) |