man.bsd.lv manual page server

Manual Page Search Parameters
GETPAGESIZE(3) Library Functions Manual GETPAGESIZE(3)

getpagesize — get system page size

#include <unistd.h>

int
getpagesize(void);

() 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.

sbrk(2), pagesize(1)

The getpagesize function call appeared in 4.2BSD.

BSD 4.2 June 4, 1993 GETPAGESIZE(3)