getpagesize(3)

NAME

getpagesize - get system page size

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <unistd.h>
int
getpagesize(void);

DESCRIPTION

The getpagesize() function returns the number of bytes in a

page. Page
granularity is the granularity of many of the memory manage

ment calls.

The page size is a system page size and may not be the same

as the underlying hardware page size.

SEE ALSO

pagesize(1), sbrk(2)

HISTORY

The getpagesize() function appeared in 4.2BSD.

BSD June 4, 1993

BSD