GETPAGESIZE(3) Library Functions Manual GETPAGESIZE(3)
NAME
getpagesizeget system page size
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <unistd.h>
int
getpagesize(void);
DESCRIPTION
This interface is obsoleted by sysconf(3).
 
getpagesize() returns the number of bytes in a page. Page granularity is the granularity of many of the memory management calls.
 
The page size is a system page size and may not be the same as the underlying hardware page size.
SEE ALSO
HISTORY
The getpagesize function call appeared in 4.2BSD.