June 4, 1993 GETPAGESIZE 3

### NAME

getpagesize - get system page size

### LIBRARY

Standard C Library (libc, -lc)

### SYNOPSIS

```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

pagesize(1), sbrk(2), sysconf(3)

### HISTORY

The getpagesize function call appeared in 4.2BSD.